Improper input validation in Wwbn Avideo
CVE-2026-92581
In AVideo through 29.0, Like::__construct() performs counter arithmetic on raw request values before validation, allowing array-typed parameters to desynchronize stored votes from counters. Authenticated attackers can send array-typed like parameters followed by ordinary requests to drive video like counts arbitrarily negative, with the corruption persisting in the denormalized counter until manual repair.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-hcfp-7hrc-5rvg (vendor-advisory)
- www.vulncheck.com/advisories/avideo-through-29.0-like-counter-desynchronization… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92581?
- CVE-2026-92581 is a medium-severity vulnerability in Wwbn Avideo, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-09-16.
- How severe is CVE-2026-92581?
- Medium severity. CVSS v3 base score is 4.3 out of 10.