diff --git a/dspace-server-webapp/src/main/java/org/dspace/app/rest/ScriptProcessesController.java b/dspace-server-webapp/src/main/java/org/dspace/app/rest/ScriptProcessesController.java
index 3aeec9535b..70149bbb6b 100644
--- a/dspace-server-webapp/src/main/java/org/dspace/app/rest/ScriptProcessesController.java
+++ b/dspace-server-webapp/src/main/java/org/dspace/app/rest/ScriptProcessesController.java
@@ -19,9 +19,12 @@ import org.dspace.app.rest.model.hateoas.ProcessResource;
 import org.dspace.app.rest.repository.ScriptRestRepository;
 import org.dspace.app.rest.utils.ContextUtil;
 import org.dspace.core.Context;
+import org.dspace.scripts.configuration.ScriptConfiguration;
+import org.dspace.scripts.service.ScriptService;
 import org.dspace.services.RequestService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.rest.webmvc.ControllerUtils;
+import org.springframework.data.rest.webmvc.ResourceNotFoundException;
 import org.springframework.hateoas.RepresentationModel;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
@@ -50,6 +53,9 @@ public class ScriptProcessesController {
     @Autowired
     private ScriptRestRepository scriptRestRepository;
 
+    @Autowired
+    private ScriptService scriptService;
+
     @Autowired
     private RequestService requestService;
 
@@ -80,9 +86,17 @@ public class ScriptProcessesController {
     @RequestMapping(method = RequestMethod.POST, consumes = "!" + MediaType.MULTIPART_FORM_DATA_VALUE)
     @PreAuthorize("hasAuthority('AUTHENTICATED')")
     public ResponseEntity<RepresentationModel<?>> startProcessInvalidMimeType(
-        @PathVariable(name = "name") String scriptName,
-        @RequestParam(name = "file", required = false) List<MultipartFile> files)
+        @PathVariable(name = "name") String scriptName)
         throws Exception {
+        if (log.isTraceEnabled()) {
+            log.trace("Starting Process for Script with name: " + scriptName);
+        }
+        Context context = ContextUtil.obtainContext(requestService.getCurrentRequest().getHttpServletRequest());
+        ScriptConfiguration scriptToExecute = scriptService.getScriptConfiguration(scriptName);
+
+        if (scriptToExecute == null) {
+            throw new ResourceNotFoundException("The script for name: " + scriptName + " wasn't found");
+        }
         throw new DSpaceBadRequestException("Invalid mimetype");
     }
 
diff --git a/dspace-server-webapp/src/test/java/org/dspace/app/rest/ScriptRestRepositoryIT.java b/dspace-server-webapp/src/test/java/org/dspace/app/rest/ScriptRestRepositoryIT.java
index 16e691ef6f..29a0076d0c 100644
--- a/dspace-server-webapp/src/test/java/org/dspace/app/rest/ScriptRestRepositoryIT.java
+++ b/dspace-server-webapp/src/test/java/org/dspace/app/rest/ScriptRestRepositoryIT.java
@@ -134,6 +134,13 @@ public class ScriptRestRepositoryIT extends AbstractControllerIntegrationTest {
                         .andExpect(jsonPath("$.page.totalElements", is(0)));
     }
 
+    @Test
+    public void findAllScriptsAnonymousUserTest() throws Exception {
+        getClient().perform(get("/api/system/scripts"))
+                        .andExpect(status().isOk())
+                        .andExpect(jsonPath("$.page.totalElements", is(0)));
+    }
+
     @Test
     public void findAllScriptsLocalAdminsTest() throws Exception {
         context.turnOffAuthorisationSystem();
@@ -543,8 +550,13 @@ public class ScriptRestRepositoryIT extends AbstractControllerIntegrationTest {
     public void postProcessAdminWithWrongContentTypeBadRequestException() throws Exception {
 
         String token = getAuthToken(admin.getEmail(), password);
+
+        getClient(token)
+                .perform(post("/api/system/scripts/mock-script/processes"))
+                .andExpect(status().isBadRequest());
+
         getClient(token).perform(post("/api/system/scripts/mock-script-invalid/processes"))
-                        .andExpect(status().isBadRequest());
+                        .andExpect(status().isNotFound());
     }
 
     @Test