Information disclosure in Wwbn Avideo

CVE-2026-90539

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authentication vulnerability in the plugin/TopMenu/menuItems.json.php endpoint that allows unauthenticated attackers to read inactive admin menu items by submitting a POST request with a menuId parameter. Attackers can retrieve hidden menu item URLs including embedded admin-tool secret query parameters not exposed in the public navbar.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-90539: held from 0.004 to 0.004.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-90539?
CVE-2026-90539 is a medium-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-12.
How severe is CVE-2026-90539?
Medium severity. CVSS v3 base score is 5.3 out of 10.