What’s Vulnerable › Vulnerabilities

CVE-2022-26494

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-21 · updated 2026-06-17
• Weakness: CWE-79

Description

An XSS was identified in the Admin Web interface of PrimeKey SignServer before 5.8.1. JavaScript code must be used in a worker name before a Generate CSR request. Only an administrator can update a worker name.

Affected products

• Primekey Signserver: before 5.8.1 — fixed in 5.8.1

How to fix

Upgrade to a fixed version: Primekey Signserver 5.8.1. Check the vendor advisory for mitigations.

References

• https://docs.keyfactor.com/signserver/
• https://support.keyfactor.com/hc/en-us/articles/15618125602715-Security-Advisory-SignServer-Cross-site-scripting-issue-in-Admin-Web
• https://doc.primekey.com/signserver
• https://support.primekey.com/news/posts/signserver-security-advisory-cross-site-scripting-issue-in-admin-web

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