---
id: CVE-2026-84482
title: >-
  WWBN AVideo through commit 9c39d8c8 contains a cross-site request forgery
  vulnerability in the get_domain() and isSameDomain() functions that fail to
  properly validate referer origins
summary: >-
  WWBN AVideo through commit 9c39d8c8 contains a cross-site request forgery
  vulnerability in the get_domain() and isSameDomain() functions that fail to
  properly validate referer origins. Attackers can forge requests from sibling
  subdomains…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-346
published: '2026-09-01'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:18:59.270'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84482'
references:
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-jm6j-xqvq-r8p5'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/wwbn-avideo-cross-site-request-forgery-via-get-domain-validation
    label: disclosure@vulncheck.com
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-jm6j-xqvq-r8p5'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00208
epssPercentile: 0.09611
ingestedAt: '2026-09-08T21:11:12.289Z'
---

## Overview

WWBN AVideo through commit 9c39d8c8 contains a cross-site request forgery vulnerability in the get_domain() and isSameDomain() functions that fail to properly validate referer origins. Attackers can forge requests from sibling subdomains or unparseable long-gTLD origins to perform administrative ObjectYPT writes including live server configuration changes.

## Remediation

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