WWBN AVideo AD_Server plugin log.php jQuery.html label cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in WWBN AVideo. The impacted element is the function jQuery.html of the file log.php of the component AD_Server plugin. The manipulation of the argument label leads to cross site scripting. This vulnerability is referenced as CVE-2026-88869. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in WWBN AVideo (the affected version is unknown) and classified as problematic. This issue affects the function jQuery.html of the file log.php of the component AD_Server plugin. The manipulation of the argument label 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:

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the AD_Server plugin's log.php endpoint that fails to escape the label parameter before storage. An unauthenticated attacker can inject malicious HTML through the label parameter, which is later rendered unsanitized in the admin Ad Types report using jQuery .html(), allowing execution of arbitrary JavaScript in an administrator's browser session.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-88869 since 09/10/2026. 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 of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• WWBN

Name

• AVideo

License

• open-source

Website

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

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