Auth bypass in TYPO3 Extension "Femanager"

CVE-2026-77135

The extension's user detail view fails to verify that a requested user record matches the configured or logged-in target, allowing any visitor with access to the Detail or List plugin to retrieve another frontend user's profile data, including name, email, date of birth and address, by supplying an arbitrary user ID.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (14.8th percentile) — read the EPSS interpretation.