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5.3

CVE-2026-33501: AVideo Plugin Allows Unauthorized Access to Group Permissions

CVE-2026-33501 · published 7 months ago
Summary

The AVideo plugin has a security flaw that lets anyone see who has access to what features. This is a problem because it could be used to gather sensitive information about the system. To fix this, update the plugin to require a login for this feature, just like other related features do.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
Ecosystem VendorProductAffected versions
composer wwbn avideo <= 26.0
Original advisory text
AVideo has Unauthenticated Information Disclosure of User Group Permission Mappings via Permissions Plugin
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the endpoint `plugin/Permissions/View/Users_groups_permissions/list.json.php` lacks any authentication or authorization check, allowing unauthenticated users to retrieve the complete permission matrix mapping user groups to plugins. All sibling endpoints in the same directory (`add.json.php`, `delete.json.php`, `index.php`) properly require `User::isAdmin()`, indicating this is an oversight. Commits dc3c825734628bb32550d0daa125f05bacb6829c and b583acdc9a9d1eab461543caa363e1a104fb4516 contain patches.
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
5.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-862Missing Authorization
Timeline
Published23 Mar 2026
Updated4 Nov 2026
First seen20 Mar 2026
Sources
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