CVE-2021-20729

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CVSS 3.1

6.1 medium

EPSS

3%p86

Published

Mar 31, 2022 (Mar 31, 2022)

Modified

Jun 17, 2026

Description

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.

Vendors: netgate pfsense
Products: pfsense plus, pfsense
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (2.9%)

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