CVE-2019-8953 describes a Cross-Site Scripting (XSS) vulnerability in the HAProxy package for pfSense, specifically affecting versions before 0.59_16. This medium-severity vulnerability (CVSS 6.1) allows unauthenticated attackers to inject malicious scripts via the 'desc' or 'table_actionsaclN' parameters in haproxy_listeners.php and haproxy_listeners_edit.php, requiring user interaction for successful exploitation. While not on the CISA KEV catalog, an exploit (EDB-46538) exists, demonstrating persistent XSS, though there is no evidence of widespread active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.59_16CPE matchmatch criteria | cpe:2.3:a:netgate:haproxy:*:*:*:*:*:pfsense:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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