EUVD-2026-278284

fkie_cve-2026-34245

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `plugin/PlayLists/View/Playlists_schedules/add.json.php` endpoint allows any authenticated user with streaming permission to create or modify broadcast schedules targeting any playlist on the platform, regardless of ownership. When the schedule executes, the rebroadcast runs under the victim playlist owner's identity, allowing content hijacking and stream disruption. Commit 1e6dc20172de986f60641eb4fdb4090f079ffdce contains a patch.

GHSA-2rm7-j397-3fqg — AVideo: Missing Authorization in Playlist Schedule Creation Allows Cross-User Broadcast Hijacking

Affected: Packagist: wwbn/avideo

## Summary

The `plugin/PlayLists/View/Playlists_schedules/add.json.php` endpoint allows any authenticated user with streaming permission to create or modify broadcast schedules targeting any playlist on the platform, regardless of ownership. When the schedule executes, the rebroadcast runs under the victim playlist owner's identity, allowing content hijacking and stream disruption.

## Details

The endpoint at `plugin/PlayLists/View/Playlists_schedules/add.json.php` performs only a capability check, not an ownership check:

```php // add.json.php:14 — only checks if user CAN stream, not if they OWN the playlist if (!User::canStream()) { forbiddenPage(__("You cannot livestream")); }

// Line 18-19: attacker-controlled playlists_id is used directly $o = new Playlists_schedules(@$_POST['id']); $o->setPlaylists_id($_POST['playlists_id']); ```

The `Playlists_schedules::save()` method (line 182) only validates that `playlists_id` is non-empty — no ownership check:

```php public function save() { if(empty($this->playlists_id)){ _error_log("Playlists_schedules::save playlists_id is empty"); return false; } // ... return parent::save(); } ```

When the schedule triggers via `plugin/PlayLists/run.php`, the rebroadcast executes under the **playlist owner's** user ID, not the schedule creator's:

```php // run.php:55 — uses playlist owner's ID $pl = new PlayList($ps->playlists_id); $response = Rebroadcaster::rebroadcastVideo( $ps->current_video…

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EUVD-2026-278284

fkie_cve-2026-34245

GHSA-2rm7-j397-3fqg — AVideo: Missing Authorization in Playlist Schedule Creation Allows Cross-User Broadcast Hijacking