CVE-2021-26678

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-23 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

Aruba ClearPass Policy Manager: before 6.7.14; from 6.8.0 before 6.8.6; from 6.9.0 before 6.9.2 — fixed in 6.7.14, 6.8.6, 6.9.2

How to fix

Upgrade to a fixed version: Aruba ClearPass Policy Manager 6.7.14, 6.8.6, 6.9.2. Check the vendor advisory for mitigations.

References

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