Medium6.1Netgate pfSense

Medium [CVE-2021-20729] Cross-site scripting vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions 2.5.2 and earlier, and pfSense…

This medium-severity Netgate pfSense advisory covers CVE-2021-20729 affecting pfSense, pfSense Plus, pfSense CE.

CVE-2021-20729 Published Mar 31, 2022Updated by vendor Jun 17, 2026

CVE-2021-20729

Affected products & platforms

Netgate pfSensepfSense PluspfSense CE

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Summary

Cross-site scripting vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions 2.5.2 and earlier, and pfSense Plus software versions 21.05 and earlier) allows a remote attacker to inject an arbitrary script via a malicious URL.

Affected versions

2.5.2
21.05

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

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

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

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

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

Discussion(0)

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