CVE-2026-33650 HIGH

CVE-2026-33650: AVideo's Video Moderator Privilege Escalation via Ownership Transfer Enables Arbitrary Video Deletion

Vendor Wwbn
Product AVideo
Weakness CWE-863 · Incorrect authorization
Published March 23, 2026
Last update March 24, 2026

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

What the vulnerability does

01Description

WWBN AVideo is an open source video platform. In versions up to and including 26.0, a user with the "Videos Moderator" permission can escalate privileges to perform full video management operations — including ownership transfer and deletion of any video — despite the permission being documented as only allowing video publicity changes (Active, Inactive, Unlisted). The root cause is that `Permissions::canModerateVideos()` is used as an authorization gate for full video editing in `videoAddNew.json.php`, while `videoDelete.json.php` only checks ownership, creating an asymmetric authorization boundary exploitable via a two-step ownership-transfer-then-delete chain. Commit 838e16818c793779406ecbf34ebaeba9830e33f8 contains a patch.

Key dates

02Disclosure timeline

March 23, 2026 CVE published
March 24, 2026 Record updated