CVE-2025-6235

ExtremeControl (NAC) 'onmouseover' XSS

State: Published
Severity: 5.3 Medium
Published: Jul 21, 2025
Updated: Jul 21, 2025
Reserved: Jun 18, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:L	ExtremeNetworks

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
ExtremeControlExtreme Networks	25.2.12 to before 25.5.11Affectedfrom 25.5.12Not affected

References

https://extreme-networks.my.site.com/ExtrArticleDetail?an=000128019

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