CVE-2026-33493

HIGH EPSS 25.3%
Published Mar 23, 20263mo ago · Modified Jun 17, 20262w ago
8.1 CVSS 3.1
High
Find Similar
Published Mar 23, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `objects/import.json.php` endpoint accepts a user-controlled `fileURI` POST parameter with only a regex check that the value ends in `.mp4`. Unlike `objects/listFiles.json.php`, which was hardened with a `realpath()` + directory prefix check to restrict paths to the `videos/` directory, `import.json.php` performs no directory restriction. This allows an authenticated user with upload permission to: (1) steal any other user's private video files by importing them into their own account, (2) read `.txt`/`.html`/`.htm` files adjacent to any `.mp4` file on the filesystem, and (3) delete `.mp4` and adjacent text files if writable by the web server process. Commit e110ff542acdd7e3b81bdd02b8402b9f6a61ad78 contains a patch.

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
25.3% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 1

VendorProductVersionRange
wwbnavideo* ≤26.0

References 2

  • github.com https://github.com/WWBN/AVideo/commit/e110ff542acdd7e3b81bdd02b8402b9f6a61ad78
    Patch
  • github.com https://github.com/WWBN/AVideo/security/advisories/GHSA-83xq-8jxj-4rxm
    ExploitMitigationVendor Advisory

Remediation

  • github.com https://github.com/WWBN/AVideo/commit/e110ff542acdd7e3b81bdd02b8402b9f6a61ad78
    Patch