diff --git a/changelog/unreleased/bugfix-prevent-not-allowed-characters-in-shortcut-name b/changelog/unreleased/bugfix-prevent-not-allowed-characters-in-shortcut-name
new file mode 100644
index 00000000000..7afefcaa69a
--- /dev/null
+++ b/changelog/unreleased/bugfix-prevent-not-allowed-characters-in-shortcut-name
@@ -0,0 +1,7 @@
+Bugfix: Prevent not allowed characters in shortcut name
+
+We've fixed an issue where not allowed characters were allowed in the shortcut name.
+Now, the shortcut name will be validated and only allowed characters will be accepted.
+
+https://github.com/owncloud/web/pull/11707
+https://github.com/owncloud/web/issues/11702
diff --git a/packages/web-pkg/src/components/CreateShortcutModal.vue b/packages/web-pkg/src/components/CreateShortcutModal.vue
index 4f55fc59152..0569c4659f0 100644
--- a/packages/web-pkg/src/components/CreateShortcutModal.vue
+++ b/packages/web-pkg/src/components/CreateShortcutModal.vue
@@ -213,6 +213,10 @@ export default defineComponent({
         return $gettext('%{name} already exists', { name: `${unref(inputFilename)}.url` })
       }
 
+      if (/[/]/.test(unref(inputFilename))) {
+        return $gettext('Shortcut name cannot contain "/"')
+      }
+
       return ''
     })