WWBN AVideo up to 26.0 Endpoint publishInstagram.json.php publishMediaIfIsReady access token/container ID/Instagram account ID authorization

Summaryinfo

A vulnerability classified as problematic was found in WWBN AVideo up to 26.0. Affected by this issue is the function InstagramUploader::publishMediaIfIsReady of the file publishInstagram.json.php of the component Endpoint. Executing a manipulation of the argument access token/container ID/Instagram account ID can lead to authorization. This vulnerability is tracked as CVE-2026-35179. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in WWBN AVideo up to 26.0. It has been declared as problematic. This vulnerability affects the function InstagramUploader::publishMediaIfIsReady of the file publishInstagram.json.php of the component Endpoint. The manipulation of the argument access token/container ID/Instagram account ID with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity. CVE summarizes:

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the SocialMediaPublisher plugin exposes a publishInstagram.json.php endpoint that acts as an unauthenticated proxy to the Facebook/Instagram Graph API. The endpoint accepts user-controlled parameters including an access token, container ID, and Instagram account ID, and passes them directly to the Graph API via InstagramUploader::publishMediaIfIsReady(). This allows any unauthenticated user to make arbitrary Graph API calls through the server, potentially using stolen tokens or abusing the platform's own credentials.

The advisory is available at github.com. This vulnerability was named CVE-2026-35179 since 04/01/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/06/2026).

By approaching the search of inurl:publishInstagram.json.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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• WWBN

Name

• AVideo

Version

• 26.0

License

• open-source

Website

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

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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