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EUVD-2026-278425

fkie_cve-2026-34394

WWBN AVideo is an open source video platform. In versions 26.0 and prior, AVideo's admin plugin configuration endpoint (admin/save.json.php) lacks any CSRF token validation. There is no call to isGlobalTokenValid() or verifyToken() before processing the request. Combined with the application's explicit SameSite=None cookie policy, an attacker can forge cross-origin POST requests from a malicious page to overwrite arbitrary plugin settings on a victim administrator's session. Because the plugins table is included in the ignoreTableSecurityCheck() array in objects/Object.php, standard table-level access controls are also bypassed. This allows a complete takeover of platform functionality by reconfiguring payment processors, authentication providers, cloud storage credentials, and more. At time of publication, there are no publicly available patches.

GHSA-4wwr-7h7c-chqr — AVideo's CSRF on Admin Plugin Configuration Enables Payment Credential Hijacking

Affected: Packagist: wwbn/avideo

## Summary

AVideo's admin plugin configuration endpoint (`admin/save.json.php`) lacks any CSRF token validation. There is no call to `isGlobalTokenValid()` or `verifyToken()` before processing the request. Combined with the application's explicit SameSite=None cookie policy, an attacker can forge cross-origin POST requests from a malicious page to overwrite arbitrary plugin settings on a victim administrator's session.

Because the `plugins` table is included in the `ignoreTableSecurityCheck()` array in `objects/Object.php`, standard table-level access controls are also bypassed. This allows a complete takeover of platform functionality by reconfiguring payment processors, authentication providers, cloud storage credentials, and more.

## Details

The session cookie configuration in `objects/include_config.php` at line 135 explicitly weakens the default browser protections:

```php // objects/include_config.php:135 ini_set('session.cookie_samesite', 'None'); ```

This means cookies are attached to all cross-origin requests, making CSRF attacks trivial.

The save endpoint in `admin/save.json.php` directly processes POST data without any token verification:

```php // admin/save.json.php $pluginName = $_POST['pluginName']; $pluginValues = $_POST; // ... $pluginDO->$key = $pluginValues[$key]; $p->setObject_data(json_encode($pluginDO)); $p->save(); ```

The `plugins` table is explicitly exempted from security checks in `objects/Object.php` at line 529:

```php // objects/Object…