[ CVE-2026-109319 · Published 12 Oct 2026 ]

Vulnerability in getgrav grav-plugin-guestbook

CVSS 4.3 EPSS <1%No fix listed yet

[ Description ]Official description

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 nonce-less GET requests, can delete or approve Guestbook entries.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.