Is CVE-2026-90539 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-90539?

CVE-2026-90539 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-90539

Description

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.