---
id: CVE-2026-85161
title: >-
  AVideo through commit c91b5975d contains a cross-site request forgery
  vulnerability in removePoster.php that lacks forbidIfNotPost or
  forbidIfInvalidToken checks
summary: >-
  AVideo through commit c91b5975d contains a cross-site request forgery
  vulnerability in removePoster.php that lacks forbidIfNotPost or
  forbidIfInvalidToken checks. Attackers can craft malicious image tags to
  delete authenticated victims' …
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-352
published: '2026-09-03'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:18:59.270'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85161'
references:
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-4h63-5723-hq25'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/avideo-removeposter-php-cross-site-request-forgery-file-deletion
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00102
epssPercentile: 0.01049
ingestedAt: '2026-09-08T21:11:12.290Z'
---

## Overview

AVideo through commit c91b5975d contains a cross-site request forgery vulnerability in removePoster.php that lacks forbidIfNotPost or forbidIfInvalidToken checks. Attackers can craft malicious image tags to delete authenticated victims' live poster and thumbnail files via GET requests.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.