CVE-2021-26678 Cross-site scripting in Aruba ClearPass Policy Manager

Medium 6.1 Published 23 Feb 2021 Updated 3 Aug 2024

Unauthenticated remote attackers can inject malicious scripts into the ClearPass web interface, potentially compromising administrative user sessions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-26678?

CVE-2021-26678 is a medium-severity cross-site scripting vulnerability in Arubanetworks Clearpass Policy Manager, published on 23 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A remote unauthenticated stored cross-site scripting (XSS) vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in the web-based management interface of ClearPass could allow an unauthenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim’s browser in the context of the affected interface.

Weakness: CWE-79

Which versions are affected by CVE-2021-26678?

It affects 1 product.

Products include Arubanetworks Clearpass Policy Manager.

How do I fix CVE-2021-26678?

No fix has been published for CVE-2021-26678 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-26678 being exploited?

There is no known exploitation of CVE-2021-26678 in the wild and no public exploit code.

All Arubanetworks Clearpass Policy Manager vulnerabilities

Sources

Also known as GHSA-3v2r-wq2f-vmr9.