# CVE-2026-84482

## Summary

- **CVE ID:** CVE-2026-84482
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-346
- **Published:** Sep 1, 2026
- **Last Modified:** Sep 2, 2026

## Description

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.

## Affected Products

- WWBN — AVideo (0)

## References

- [CNA](https://github.com/WWBN/AVideo/security/advisories/GHSA-jm6j-xqvq-r8p5)
- [CNA](https://www.vulncheck.com/advisories/wwbn-avideo-cross-site-request-forgery-via-get-domain-validation)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.14%
- **EPSS Percentile:** 3.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._