CVE-2026-33647 - Vulnerability Analysis

Overview

WWBN AVideo <= 26.0 contains a remote code execution caused by improper filename extension validation in ImageGallery::saveFile(), letting attackers upload executable PHP files via polyglot images, exploit requires file upload capability.

Severity & Score

Impact

Attackers can execute arbitrary PHP code on the server, leading to full system compromise.

Mitigation

Update to a version including commit 345a8d3ece0ad1e1b71a704c1579cbf885d8f3ae or later.

References

• https://github.com/WWBN/AVideo/commit/345a8d3ece0ad1e1b71a704c1579cbf885d8f3ae
• https://github.com/WWBN/AVideo/security/advisories/GHSA-wxjw-phj6-g75w

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 23, 2026

🟠 CVE-2026-33647 - High (8.8) WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `ImageGallery::saveFile()` method validates uploaded file content using `finfo` MIME type detection but derives the saved filename extension from the user-supp... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-33647/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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• Vulnerability Intelligence Dashboard
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