What is CVE-2026-88876?

CVE-2026-88876 is a high-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-10.

How severe is CVE-2026-88876?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Wwbn Avideo

CVE-2026-88876

AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/PlayerSkins/seo.php that allows unauthenticated attackers to access password-protected video sources by calling getSources() without password validation. Attackers can request the seo.php endpoint with a video ID to obtain the direct MP4 URL and read protected media bytes without supplying the configured password.

Vulnerability class: Information Disclosure

Published 2026-09-10 · last modified 2026-09-15.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (37.1th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/WWBN/AVideo/security/advisories/GHSA-wq9m-cfw6-4gh5 (vendor-advisory)
www.vulncheck.com/advisories/avideo-playerskins-seo-php-missing-authorization-p… (third-party-advisory)

Frequently asked questions

What is CVE-2026-88876?: CVE-2026-88876 is a high-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-10.
How severe is CVE-2026-88876?: High severity. CVSS v3 base score is 7.5 out of 10.