Medium5.4Netgate pfSense

Medium [CVE-2020-11457] pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI

This medium-severity Netgate pfSense advisory covers CVE-2020-11457 affecting pfSense.

CVE-2020-11457 Published Apr 1, 2020Updated by vendor Jun 17, 2026

CVE-2020-11457

Affected products & platforms

Netgate pfSenseUnclassified

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Summary

pfSense before 2.4.5 has stored XSS in system_usermanager_addprivs.php in the WebGUI via the descr parameter (aka full name) of a user.

Affected versions

2.4.5

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

2.4.5

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 2.4.5. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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