[ CVE-2026-107887 · Published 24 Oct 2026 ]

Vulnerability in Unknown Advanced Twenty Seventeen

CVSS 5.4 EPSS <1%No fix listed yet

[ Description ]Official description

The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.

[ 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.