[ CVE-2026-74922 · Published 19 Oct 2026 ]
Vulnerability in Unknown Document Gallery
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official description
The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any document.
[ 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.