Summaryinfo

A vulnerability was found in WWBN AVideo up to 26.0. It has been classified as problematic. Affected by this issue is the function User::getUserName of the file security.php of the component URL Handler. The manipulation of the argument plugin leads to cross site scripting. This vulnerability is documented as CVE-2026-34375. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in WWBN AVideo up to 26.0. This issue affects the function User::getUserName of the file security.php of the component URL Handler. The manipulation of the argument plugin with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the YPTWallet Stripe payment confirmation page directly echoes the `$_REQUEST['plugin']` parameter into a JavaScript block without any encoding or sanitization. The `plugin` parameter is not included in any of the framework's input filter lists defined in `security.php`, so it passes through completely raw. An attacker can inject arbitrary JavaScript by crafting a malicious URL and sending it to a victim user. The same script block also outputs the current user's username and password hash via `User::getUserName()` and `User::getUserPass()`, meaning a successful XSS exploitation can immediately exfiltrate these credentials. Commit fa0bc102493a15d79fe03f86c07ab7ca1b5b63e2 fixes the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-34375 since 03/27/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:security.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch fa0bc102493a15d79fe03f86c07ab7ca1b5b63e2 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

• WWBN

Name

• AVideo

Version

• 26.0

License

• open-source

Website

• Product: https://github.com/WWBN/AVideo/

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