What is CVE-2026-84482?

CVE-2026-84482 is a high-severity vulnerability in Wwbn Avideo, classified under Origin Validation Error. CVSS score: 8.8/10. Published 2026-09-01.

How severe is CVE-2026-84482?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Wwbn Avideo

CVE-2026-84482

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.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-84482?: CVE-2026-84482 is a high-severity vulnerability in Wwbn Avideo, classified under Origin Validation Error. CVSS score: 8.8/10. Published 2026-09-01.
How severe is CVE-2026-84482?: High severity. CVSS v3 base score is 8.8 out of 10.