WWBN AVideo up to 25.x saveDVR.json.php file_get_contents webSiteRootURL server-side request forgery

Summaryinfo

A vulnerability marked as critical has been reported in WWBN AVideo up to 25.x. Affected by this vulnerability is the function file_get_contents of the file plugin/Live/standAloneFiles/saveDVR.json.php. The manipulation of the argument webSiteRootURL leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-33351. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in WWBN AVideo up to 25.x and classified as critical. This issue affects the function file_get_contents of the file plugin/Live/standAloneFiles/saveDVR.json.php. The manipulation of the argument webSiteRootURL with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

WWBN AVideo is an open source video platform. Prior to version 26.0, a Server-Side Request Forgery (SSRF) vulnerability exists in `plugin/Live/standAloneFiles/saveDVR.json.php`. When the AVideo Live plugin is deployed in standalone mode (the intended configuration for this file), the `$_REQUEST['webSiteRootURL']` parameter is used directly to construct a URL that is fetched server-side via `file_get_contents()`. No authentication, origin validation, or URL allowlisting is performed. Version 26.0 contains a patch for the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-33351 since 03/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

By approaching the search of inurl:plugin/Live/standAloneFiles/saveDVR.json.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 26.0 eliminates this vulnerability. Applying the patch d0c54960389eeb85e76caed5a257ae90e6a739f2 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• WWBN

Name

• AVideo

Version

• 25.x

License

• open-source

Website

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

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion