What’s Vulnerable › Vulnerabilities

CVE-2022-23993

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-26 · updated 2026-06-17
• Weakness: CWE-79

Description

/usr/local/www/pkg.php in pfSense CE before 2.6.0 and pfSense Plus before 22.01 uses $_REQUEST['pkg_filter'] in a PHP echo call, causing XSS.

Affected products

• Netgate pfSense CE: before 2.6.0 — fixed in 2.6.0
• Netgate pfSense Plus: before 22.01 — fixed in 22.01

How to fix

Upgrade to a fixed version: Netgate pfSense CE 2.6.0; Netgate pfSense Plus 22.01. Check the vendor advisory for mitigations.

References

• https://docs.netgate.com/downloads/pfSense-SA-22_04.webgui.asc
• https://github.com/pfsense/pfsense/commit/5d82cce0d615a76b738798577a28a15803e59aeb
• https://docs.netgate.com/downloads/pfSense-SA-22_04.webgui.asc
• https://github.com/pfsense/pfsense/commit/5d82cce0d615a76b738798577a28a15803e59aeb

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