CVE-2026-33649

CVE-2026-33649 · AVideo's GET-Based CSRF in setPermission.json.php Enables Privilege Escalation via Arbitrary Permission Modification

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WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `plugin/Permissions/setPermission.json.php` endpoint accepts GET parameters for a state-changing operation that modifies user group permissions. The endpoint has no CSRF token validation, and the application explicitly sets `session.cookie_samesite=None` on session cookies. This allows an unauthenticated attacker to craft a page with `<img>` tags that, when visited by an admin, silently grant arbitrary permissions to the attacker's user group — escalating the attacker to near-admin access. As of time of publication, no known patched versions are available.

CVSS 8.1 · Hoch · EPSS 0,2%

Veröffentlicht

2026-03-23T18:26:32.866Z

Aktualisiert

2026-03-24T15:13:47.830Z

Technologie-Stack: php

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