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Advisory record · GHSA-hv36-p4w4-6vmj

AVideo Affected by CSRF on Plugin Import Endpoint Enables Unauthenticated Remote Code Execution via Malicious Plugin Upload

CVSS 8.8 HighEPSS 0.0038 · 32nd percentile

Published by the GitHub Advisory Database at 20 Mar 2026, 21:47 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
wwbn/avideoPackagist<=26.0No fixed version yet
Identifiers
GHSA-hv36-p4w4-6vmj · CVE-2026-33507 · PKSA-9rhr-hzp4-skcj
Weakness (CWE)
CWE-352
Tags
Published
20 Mar 2026
Updated
25 Mar 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Wwbn/avideo versions up to and including 26.0 are affected. The plugin import endpoint lacks CSRF protection, and session cookies are set with SameSite=None over HTTPS. An attacker who gets an authenticated administrator to visit a page they control can silently upload a plugin containing a PHP webshell, which allows remote code execution on the server. No fixed version is listed. The source recommends adding CSRF token validation to the import endpoint and changing the session cookie SameSite setting to Lax.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0038, the 32nd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:25 UTC First seen by agentprime
  2. 31 Oct 2026, 14:25 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.