CVE-2025-6235

ExtremeControl (NAC) 'onmouseover' XSS

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.

Remediation

Solution:

  • Fixed in 25.5.12 or later.

Category

5.3
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.05%
Affected: Extreme Networks ExtremeControl
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-6235?
CVE-2025-6235 has been scored as a medium severity vulnerability.
How to fix CVE-2025-6235?
To fix CVE-2025-6235: Fixed in 25.5.12 or later.
Is CVE-2025-6235 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-6235 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-6235?
CVE-2025-6235 affects Extreme Networks ExtremeControl.
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