CVE-2026-33507

HIGH EPSS 28.5%
Published Mar 23, 20263mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Mar 23, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `objects/pluginImport.json.php` endpoint allows admin users to upload and install plugin ZIP files containing executable PHP code, but lacks any CSRF protection. Combined with the application explicitly setting `session.cookie_samesite = 'None'` for HTTPS connections, an unauthenticated attacker can craft a page that, when visited by an authenticated admin, silently uploads a malicious plugin containing a PHP webshell, achieving Remote Code Execution on the server. Commit d1bc1695edd9ad4468a48cea0df6cd943a2635f3 contains a patch.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.5% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-352 Cross-Site Request Forgery (CSRF) Authentication

Affected Products 1

VendorProductVersionRange
wwbnavideo* ≤26.0

References 2

  • github.com https://github.com/WWBN/AVideo/commit/d1bc1695edd9ad4468a48cea0df6cd943a2635f3
    Patch
  • github.com https://github.com/WWBN/AVideo/security/advisories/GHSA-hv36-p4w4-6vmj
    ExploitMitigationVendor Advisory

Remediation

  • github.com https://github.com/WWBN/AVideo/commit/d1bc1695edd9ad4468a48cea0df6cd943a2635f3
    Patch