[ CVE-2026-88826 · Published 11 Oct 2026 ]

Vulnerability in Unknown SmugMug Embed

CVSS 8.8 EPSS <1%No fix listed yet

[ Description ]Official description

The SmugMug Embed WordPress plugin through 3.13 does not have authorisation or CSRF checks on an AJAX action that stores gallery data, and does not sanitise or escape that data before outputting it, allowing unauthenticated users to store arbitrary web scripts that execute when an administrator views the SmugMug Embed WordPress plugin through 3.13's settings screen.

[ 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.