CVE-2025-34172: pfsense XSS — Fix

Description

In pfSense CE /usr/local/www/haproxy/haproxy_stats.php, the value of the showsticktablecontent parameter is displayed after being read from HTTP GET requests. This can enable reflected cross-site scripting when the victim is authenticated.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
pfsense	pfsense	< 2.8.0

References

Advisories & Patches

https://github.com/pfsense/FreeBSD-ports/commit/04d1328ab077830eb57a24bb7018c812b6358c64

Other References

https://redmine.pfsense.org/issues/16411 https://www.vulncheck.com/advisories/netgate-pf-sense-ce-ha-proxy-reflected-xss

Frequently Asked Questions

What is CVE-2025-34172? +

In pfSense CE /usr/local/www/haproxy/haproxy_stats.php, the value of the showsticktablecontent parameter is displayed after being read from HTTP GET requests. This can enable reflected cross-site scripting when the victim is authenticated. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-34172? +

CVE-2025-34172 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-34172? +

CVE-2025-34172 affects products from pfsense, specifically: pfsense. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-34172? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-34172