Cross-site Scripting (XSS)

Overview drupal/core is an an open source content management platform powering millions of websites and applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via entity suggestions whilst adding a link to CKEditor5. An attacker can execute arbitrary scripts in...

DRUPAL-CORE-2026-003

Drupal 11.3 comes with support for completing entity suggestions whilst adding a link to CKEditor 5. The suggestions aren't sufficiently sanitized and a malicious user could trigger a stored cross site scripting attack against another user...

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003

Drupal 11.3 comes with support for completing entity suggestions whilst adding a link to CKEditor 5. The suggestions aren't sufficiently sanitized and a malicious user could trigger a stored cross site scripting attack against another user...