CVE-2021-26678: Arubanetworks Clearpass Policy Manager

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

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.

Affected products

  • Arubanetworks Clearpass Policy Manager: before 6.7.14 (fixed in 6.7.14); from 6.8.0, before 6.8.6 (fixed in 6.8.6); from 6.9.0, before 6.9.2 (fixed in 6.9.2)

Published 2021-02-23. Last modified 2026-06-17.