ensure the rel="noopener" attribute is only set when target="_blank" and remove "noreferrer" in all cases

src/app/entity-groups/journal-entities/item-grid-elements/search-result-grid-elements/journal-issue/journal-issue-search-result-grid-element.component.html

@@ -5,7 +5,7 @@
     </div>
     <a *ngIf="linkType != linkTypes.None"
        [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-       rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+       [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
        class="card-img-top full-width">
       <div>
         <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -36,7 +36,7 @@
       </p>
       <div *ngIf="linkType != linkTypes.None" class="text-center">
         <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-           rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+           [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
            class="lead btn btn-primary viewButton">View</a>
       </div>
     </div>

src/app/entity-groups/journal-entities/item-grid-elements/search-result-grid-elements/journal-volume/journal-volume-search-result-grid-element.component.html

@@ -5,7 +5,7 @@
     </div>
     <a *ngIf="linkType != linkTypes.None"
        [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-       rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+       [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
        class="card-img-top full-width">
       <div>
         <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -36,7 +36,7 @@
       </p>
       <div *ngIf="linkType != linkTypes.None" class="text-center">
         <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-           rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+           [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
            class="lead btn btn-primary viewButton">View</a>
       </div>
     </div>

src/app/entity-groups/journal-entities/item-grid-elements/search-result-grid-elements/journal/journal-search-result-grid-element.component.html

@@ -5,7 +5,7 @@
     </div>
     <a *ngIf="linkType != linkTypes.None"
        [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-       rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+       [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
        class="card-img-top full-width">
       <div>
         <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -40,7 +40,7 @@
       </p>
       <div *ngIf="linkType != linkTypes.None" class="text-center">
         <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-           rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+           [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
            class="lead btn btn-primary viewButton">View</a>
       </div>
     </div>

src/app/entity-groups/journal-entities/item-list-elements/search-result-list-elements/journal-issue/journal-issue-search-result-list-element.component.html

@@ -1,6 +1,6 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
 <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
             [routerLink]="[itemPageRoute]" class="lead item-list-title"
             [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None"

src/app/entity-groups/journal-entities/item-list-elements/search-result-list-elements/journal-volume/journal-volume-search-result-list-element.component.html

@@ -1,6 +1,6 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
 <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
             [routerLink]="[itemPageRoute]" class="lead item-list-title"
             [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None"

src/app/entity-groups/journal-entities/item-list-elements/search-result-list-elements/journal/journal-search-result-list-element.component.html

@@ -1,6 +1,6 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
 <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
             [routerLink]="[itemPageRoute]" class="lead item-list-title"
             [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None"

src/app/entity-groups/research-entities/item-grid-elements/search-result-grid-elements/org-unit/org-unit-search-result-grid-element.component.html

@@ -5,7 +5,7 @@
     </div>
     <a *ngIf="linkType != linkTypes.None"
        [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-       rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+       [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
        class="card-img-top full-width">
       <div>
         <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -42,7 +42,7 @@
       </p>
       <div *ngIf="linkType != linkTypes.None" class="text-center">
         <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-           rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+           [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
            class="lead btn btn-primary viewButton">View</a>
       </div>
     </div>

src/app/entity-groups/research-entities/item-grid-elements/search-result-grid-elements/person/person-search-result-grid-element.component.html

@@ -5,7 +5,7 @@
     </div>
     <a *ngIf="linkType != linkTypes.None"
        [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-       rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+       [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
        class="card-img-top full-width">
       <div>
         <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -36,7 +36,7 @@
       </p>
       <div *ngIf="linkType != linkTypes.None" class="text-center">
         <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-           rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+           [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
            class="lead btn btn-primary viewButton">View</a>
       </div>
     </div>

src/app/entity-groups/research-entities/item-grid-elements/search-result-grid-elements/project/project-search-result-grid-element.component.html

@@ -5,7 +5,7 @@
     </div>
     <a *ngIf="linkType != linkTypes.None"
        [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-       rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+       [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
        class="card-img-top full-width">
       <div>
         <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -30,7 +30,7 @@
       </p>
       <div *ngIf="linkType != linkTypes.None" class="text-center">
         <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
-           rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+           [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
            class="lead btn btn-primary viewButton">View</a>
       </div>
     </div>

src/app/entity-groups/research-entities/item-list-elements/search-result-list-elements/org-unit/org-unit-search-result-list-element.component.html

@@ -1,6 +1,6 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
 <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
        [routerLink]="[itemPageRoute]" class="lead"
        [innerHTML]="firstMetadataValue('organization.legalName')"></a>
     <span *ngIf="linkType == linkTypes.None"

src/app/entity-groups/research-entities/item-list-elements/search-result-list-elements/person/person-search-result-list-element.component.html

@@ -1,6 +1,6 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
 <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
        [routerLink]="[itemPageRoute]" class="lead"
        [innerHTML]="name"></a>
     <span *ngIf="linkType == linkTypes.None"

src/app/entity-groups/research-entities/item-list-elements/search-result-list-elements/project/project-search-result-list-element.component.html

@@ -1,6 +1,6 @@
 <ds-truncatable [id]="dso.id">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
        [routerLink]="[itemPageRoute]" class="lead item-list-title"
        [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None"

src/app/shared/object-grid/collection-grid-element/collection-grid-element.component.html

@@ -1,5 +1,5 @@
 <div class="card">
-  <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/', object.id]" class="card-img-top">
+  <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/collections/', object.id]" class="card-img-top">
     <ds-thumbnail [thumbnail]="(object.logo | async)?.payload" [limitWidth]="false">
     </ds-thumbnail>
   </a>
@@ -11,7 +11,7 @@
     <h4 class="card-title">{{object.name}}</h4>
     <p *ngIf="object.shortDescription" class="card-text">{{object.shortDescription}}</p>
     <div *ngIf="linkType != linkTypes.None" class="text-center">
-      <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/', object.id]" class="lead btn btn-primary viewButton">View</a>
+      <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/collections/', object.id]" class="lead btn btn-primary viewButton">View</a>
     </div>
   </div>
 </div>

src/app/shared/object-grid/community-grid-element/community-grid-element.component.html

@@ -1,5 +1,5 @@
 <div class="card">
-  <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/communities/', object.id]" class="card-img-top">
+  <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/communities/', object.id]" class="card-img-top">
     <ds-thumbnail [thumbnail]="(object.logo | async)?.payload" [limitWidth]="false">
     </ds-thumbnail>
   </a>
@@ -11,7 +11,7 @@
     <h4 class="card-title">{{object.name}}</h4>
     <p *ngIf="object.shortDescription" class="card-text">{{object.shortDescription}}</p>
     <div *ngIf="linkType != linkTypes.None" class="text-center">
-      <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/communities/', object.id]" class="lead btn btn-primary viewButton">View</a>
+      <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/communities/', object.id]" class="lead btn btn-primary viewButton">View</a>
     </div>
   </div>
 </div>

src/app/shared/object-grid/search-result-grid-element/collection-search-result/collection-search-result-grid-element.component.html

@@ -1,5 +1,5 @@
 <div class="card">
-  <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/', dso.id]" class="card-img-top">
+  <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/collections/', dso.id]" class="card-img-top">
     <ds-thumbnail [thumbnail]="(dso.logo | async)?.payload" [limitWidth]="false">
     </ds-thumbnail>
   </a>
@@ -12,7 +12,7 @@
     <h4 class="card-title">{{dso.name}}</h4>
     <p *ngIf="dso.shortDescription" class="card-text">{{dso.shortDescription}}</p>
     <div *ngIf="linkType != linkTypes.None" class="text-center">
-      <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/',  dso.id]" class="lead btn btn-primary viewButton">View</a>
+      <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/collections/',  dso.id]" class="lead btn btn-primary viewButton">View</a>
     </div>
   </div>
   <ng-content></ng-content>

src/app/shared/object-grid/search-result-grid-element/community-search-result/community-search-result-grid-element.component.html

@@ -1,5 +1,5 @@
 <div class="card">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/communities/', dso.id]" class="card-img-top">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/communities/', dso.id]" class="card-img-top">
         <ds-thumbnail [thumbnail]="(dso.logo | async)?.payload" [limitWidth]="false">
         </ds-thumbnail>
     </a>
@@ -12,7 +12,7 @@
         <h4 class="card-title">{{dso.name}}</h4>
         <p *ngIf="dso.shortDescription" class="card-text">{{dso.shortDescription}}</p>
         <div *ngIf="linkType != linkTypes.None" class="text-center">
-            <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/communities/', dso.id]" class="lead btn btn-primary viewButton">View</a>
+            <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/communities/', dso.id]" class="lead btn btn-primary viewButton">View</a>
         </div>
     </div>
     <ng-content></ng-content>

src/app/shared/object-grid/search-result-grid-element/item-search-result/item/item-search-result-grid-element.component.html

@@ -3,7 +3,7 @@
       <div class="position-absolute ml-1">
         <ng-content></ng-content>
       </div>
-      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
          class="card-img-top full-width">
           <div>
               <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="false">
@@ -36,7 +36,7 @@
               </ds-truncatable-part>
           </p>
           <div *ngIf="linkType != linkTypes.None" class="text-center">
-              <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="[itemPageRoute]"
+              <a [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="[itemPageRoute]"
                  class="lead btn btn-primary viewButton">View</a>
           </div>
       </div>

src/app/shared/object-list/browse-entry-list-element/browse-entry-list-element.component.html

@@ -1,5 +1,5 @@
 <div class="d-flex flex-row">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="" [queryParams]="{value: object.value, startsWith: undefined}" [queryParamsHandling]="'merge'" class="lead">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="" [queryParams]="{value: object.value, startsWith: undefined}" [queryParamsHandling]="'merge'" class="lead">
         {{object.value}}
     </a>
     <span *ngIf="linkType == linkTypes.None" class="lead">

src/app/shared/object-list/collection-list-element/collection-list-element.component.html

@@ -1,4 +1,4 @@
-<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/' + object.id]" class="lead">
+<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/collections/' + object.id]" class="lead">
     {{object.name}}
 </a>
 <span *ngIf="linkType == linkTypes.None" class="lead">

src/app/shared/object-list/community-list-element/community-list-element.component.html

@@ -1,4 +1,4 @@
-<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/communities/' + object.id]" class="lead">
+<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/communities/' + object.id]" class="lead">
     {{object.name}}
 </a>
 <span *ngIf="linkType == linkTypes.None" class="lead">

src/app/shared/object-list/search-result-list-element/collection-search-result/collection-search-result-list-element.component.html

@@ -1,4 +1,4 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
-<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/' + dso.id]" class="lead" [innerHTML]="dsoTitle"></a>
+<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null" [routerLink]="['/collections/' + dso.id]" class="lead" [innerHTML]="dsoTitle"></a>
 <span *ngIf="linkType == linkTypes.None" class="lead" [innerHTML]="dsoTitle"></span>
 <div *ngIf="dso.shortDescription" class="text-muted abstract-text" [innerHTML]="firstMetadataValue('dc.description.abstract')"></div>

src/app/shared/object-list/search-result-list-element/community-search-result/community-search-result-list-element.component.html

@@ -1,4 +1,4 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
-<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"  [routerLink]="['/communities/' + dso.id]" class="lead" [innerHTML]="dsoTitle"></a>
+<a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"  [routerLink]="['/communities/' + dso.id]" class="lead" [innerHTML]="dsoTitle"></a>
 <span *ngIf="linkType == linkTypes.None" class="lead" [innerHTML]="dsoTitle"></span>
 <div *ngIf="dso.shortDescription" class="text-muted abstract-text" [innerHTML]="firstMetadataValue('dc.description.abstract')"></div>

src/app/shared/object-list/search-result-list-element/item-search-result/item-types/item/item-search-result-list-element.component.html

@@ -1,7 +1,7 @@
 <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
 
 <ds-truncatable [id]="dso.id" *ngIf="object !== undefined && object !== null">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" [attr.rel]="(linkType == linkTypes.ExternalLink) ? 'noopener' : null"
        [routerLink]="[itemPageRoute]" class="lead item-list-title"
        [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None" class="lead item-list-title"

src/app/submission/sections/cc-license/submission-section-cc-licenses.component.html

@@ -128,7 +128,7 @@
       <div>
         {{ 'submission.sections.ccLicense.link' | translate }}
       </div>
-      <a class="license-link" href="{{ licenseLink }}" target="_blank" rel="noopener noreferrer">
+      <a class="license-link" href="{{ licenseLink }}" target="_blank" rel="noopener">
         {{ licenseLink }}
       </a>
       <div class="m-2">