The RT Mega Menu WordPress plugin before 1.5.2 does not perform a capability check on the AJAX action that saves mega-menu configuration and per-menu-item settings; its only gate is a nonce that any logged-in user can read from a standard admin page. A subscriber-level user can therefore enable the mega menu on a site menu and store a menu-item style value that is rendered, without output escaping, into a style attribute on the public navigation. By breaking out of that attribute the user persists a JavaScript event handler that executes for every visitor who hovers the navigation, including administrators, leading to session/site takeover.
History

Mon, 03 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 03 Aug 2026 09:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Sun, 02 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
Description The RT Mega Menu WordPress plugin before 1.5.2 does not perform a capability check on the AJAX action that saves mega-menu configuration and per-menu-item settings; its only gate is a nonce that any logged-in user can read from a standard admin page. A subscriber-level user can therefore enable the mega menu on a site menu and store a menu-item style value that is rendered, without output escaping, into a style attribute on the public navigation. By breaking out of that attribute the user persists a JavaScript event handler that executes for every visitor who hovers the navigation, including administrators, leading to session/site takeover.
Title RT Mega Menu < 1.5.2 - Subscriber+ Stored XSS via Menu Item CSS
References

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-08-02T06:00:10.043Z

Updated: 2026-08-03T17:39:34.214Z

Reserved: 2026-07-10T09:44:49.218Z

Link: CVE-2026-15385

cve-icon Vulnrichment

Updated: 2026-08-03T17:39:30.463Z

cve-icon NVD

No data.

cve-icon Redhat

No data.