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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (10.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-jm6j-xqvq-r8p5 (vendor-advisory)
- www.vulncheck.com/advisories/wwbn-avideo-cross-site-request-forgery-via-get-dom… (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.