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EUVD-2026-292451

fkie_cve-2026-40926

WWBN AVideo is an open source video platform. In versions 29.0 and prior, three admin-only JSON endpoints — `objects/categoryAddNew.json.php`, `objects/categoryDelete.json.php`, and `objects/pluginRunUpdateScript.json.php` — enforce only a role check (`Category::canCreateCategory()` / `User::isAdmin()`) and perform state-changing actions against the database without calling `isGlobalTokenValid()` or `forbidIfIsUntrustedRequest()`. Peer endpoints in the same directory (`pluginSwitch.json.php`, `pluginRunDatabaseScript.json.php`) do enforce the CSRF token, so the missing checks are an omission rather than a design choice. An attacker who lures a logged-in admin to a malicious page can create, update, or delete categories and force execution of any installed plugin's `updateScript()` method in the admin's session. Commit ee5615153c40628ab3ec6fe04962d1f92e67d3e2 contains a fix.

GHSA-ffw8-fwxp-h64w — WWBN AVideo has Multiple CSRF Vulnerabilities in Admin JSON Endpoints (Category CRUD, Plugin Update Script)

Affected: Packagist: wwbn/avideo

## Summary

Three admin-only JSON endpoints — `objects/categoryAddNew.json.php`, `objects/categoryDelete.json.php`, and `objects/pluginRunUpdateScript.json.php` — enforce only a role check (`Category::canCreateCategory()` / `User::isAdmin()`) and perform state-changing actions against the database without calling `isGlobalTokenValid()` or `forbidIfIsUntrustedRequest()`. Peer endpoints in the same directory (`pluginSwitch.json.php`, `pluginRunDatabaseScript.json.php`) do enforce the CSRF token, so the missing checks are an omission rather than a design choice. An attacker who lures a logged-in admin to a malicious page can create, update, or delete categories and force execution of any installed plugin's `updateScript()` method in the admin's session.

## Details

AVideo's CSRF defense is not applied globally — each endpoint must explicitly call `isGlobalTokenValid()` (defined in `objects/functions.php:2313`), which verifies `$_REQUEST['globalToken']`. A search across the codebase shows 18 files that correctly invoke `forbidIfIsUntrustedRequest()` or `isGlobalTokenValid()`, while the three endpoints below do not.

### 1. `objects/categoryAddNew.json.php:18` — CSRF create/overwrite category

```php 18 if (!Category::canCreateCategory()) { 19 $obj->msg = __("Permission denied"); 20 die(json_encode($obj)); 21 } 22 23 $objCat = new Category(intval(@$_POST['id'])); 24 $objCat->setName($_POST['name']); 25 $objCat->setClean_name($_POST['clean_name']); 26 $objCat->se…