CVE-2026-84482

8.7 highEPSS 0.2%

High (8.7). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-346
Published: 2026-09-01
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

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

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