What’s Vulnerable › Vulnerabilities

CVE-2019-8953

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 52.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-02-20 · updated 2026-06-17
• Weakness: CWE-79

Description

The HAProxy package before 0.59_16 for pfSense has XSS via the desc (aka Description) or table_actionsaclN parameter, related to haproxy_listeners.php and haproxy_listeners_edit.php.

Affected products

• Netgate Haproxy: before 0.59_16 — fixed in 0.59_16

How to fix

Upgrade to a fixed version: Netgate Haproxy 0.59_16. Check the vendor advisory for mitigations.

References

• https://cxsecurity.com/issue/WLB-2019020153
• https://github.com/pfsense/FreeBSD-ports/commit/2dded47b3202dfdf89aa96f84bf701b3d5acbe6c
• https://github.com/pfsense/FreeBSD-ports/commit/3b40366aca55910b224ecf49d3fdacc9ad6c04f5
• https://redmine.pfsense.org/issues/9335
• https://www.exploit-db.com/exploits/46538/
• https://cxsecurity.com/issue/WLB-2019020153
• https://github.com/pfsense/FreeBSD-ports/commit/2dded47b3202dfdf89aa96f84bf701b3d5acbe6c
• https://github.com/pfsense/FreeBSD-ports/commit/3b40366aca55910b224ecf49d3fdacc9ad6c04f5
• https://redmine.pfsense.org/issues/9335
• https://www.exploit-db.com/exploits/46538/

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