diff --git a/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/main/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClient.java b/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/main/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClient.java
index e8f8057f40d5270e0eaad5e874a87b4895367261..f4161b46e29a05a0bed07d1fb6e58b18098e7946 100644
--- a/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/main/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClient.java
+++ b/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/main/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClient.java
@@ -147,6 +147,7 @@ private static void initFilter(SolrQuery solrQuery)
         // Only include extensions with a computed CVSS score, meaning that they have at least one known security
         // vulnerability.
         solrQuery.addFilterQuery(String.format("%s:[0 TO 10]", SECURITY_MAX_CVSS));
+        solrQuery.addFilterQuery(FIELD_INSTALLED_NAMESPACES + ":[* TO *]");
     }
 
     private static void initSort(LiveDataQuery liveDataQuery, SolrQuery solrQuery)
diff --git a/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/test/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClientTest.java b/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/test/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClientTest.java
index d1e2fec44d2ace1929e56b5ffd6e7d986903f268..f5d7ca40626a556caee95568579c7c88cf2f2be3 100644
--- a/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/test/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClientTest.java
+++ b/xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-security/xwiki-platform-extension-security-api/src/test/java/org/xwiki/extension/security/internal/ExtensionSecuritySolrClientTest.java
@@ -43,6 +43,7 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
+import static org.xwiki.extension.InstalledExtension.FIELD_INSTALLED_NAMESPACES;
 import static org.xwiki.extension.security.internal.livedata.ExtensionSecurityLiveDataConfigurationProvider.FIX_VERSION;
 
 /**
@@ -79,6 +80,7 @@ void getExtensionsCount() throws Exception
 
         SolrQuery params = new SolrQuery();
         params.addFilterQuery("security_maxCVSS:[0 TO 10]");
+        params.addFilterQuery(FIELD_INSTALLED_NAMESPACES + ":[* TO *]");
         verify(this.extensionIndexStore)
             .search(ArgumentMatchers.<SolrQuery>argThat(
                 t -> Arrays.equals(t.getFilterQueries(), params.getFilterQueries())));
@@ -103,6 +105,7 @@ void solrQuery() throws Exception
 
         SolrQuery params = new SolrQuery();
         params.addFilterQuery("security_maxCVSS:[0 TO 10]");
+        params.addFilterQuery(FIELD_INSTALLED_NAMESPACES + ":[* TO *]");
 
         verify(this.extensionIndexStore)
             .search(AdditionalMatchers.<SolrQuery>and(