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Medium · 5.3 CVE-2025-6235 EUVD-2025-22104GHSA-7x23-63hm-q73v

ExtremeControl (NAC) 'onmouseover' XSS

Published Jul 21, 2025 · Updated Jul 21, 2025 · Assigned by ExtremeNetworks

Description

In ExtremeControl before 25.5.12, a cross-site scripting (XSS) vulnerability was discovered in a login interface of the affected application. The issue stems from improper handling of user-supplied input within HTML attributes, allowing an attacker to inject script code that may execute in a user's browser under specific interaction conditions. Successful exploitation could lead to exposure of user data or unauthorized actions within the browser context.

Affected products

VendorProductAffectedFixed
Extreme Networks ExtremeControl 25.2.12 – < 25.5.11 25.5.11

References