CVE-2026-109322

The Grav Guestbook plugin before version 0.5.2 is vulnerable to a stored cross-site scripting (XSS) flaw. The issue resides in the AJAX Load more and Admin Load all handlers, which insert stored author and message fields into the DOM as unescaped HTML using jQuery . This allows unauthenticated vi...

EUVD-2026-97624

Grav Guestbook plugin before 0.5.2 contains a stored cross-site scripting vulnerability because its AJAX Load more and Admin Load all handlers insert stored author and message fields into the DOM as unescaped HTML via jQuery. Unauthenticated visitors can submit markup that executes in other...

CVE-2026-109319

The Grav Guestbook plugin versions 0.5.0 and 0.5.1 are vulnerable to missing authorization and cross-site request forgery (CSRF) within the Admin moderation actions, specifically for delete , approve , and approveAll . The root cause allows authenticated Admin users without the admin.guestbook pe...

EUVD-2026-97621

Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. Authenticated Admin users lacking the admin.guestbook permission, or external sites abusing a moderator's session via...