ID:5943 - Exploit for Cross-site scripting in pfsense (FreeBSD port) - CVE-2019-8953

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Main Vulnerability Database Exploits ID:5943 - Exploit for Cross-site scripting in pfsense (FreeBSD port) - CVE-2019-8953

ID:5943 - Exploit for Cross-site scripting in pfsense (FreeBSD port) - CVE-2019-8953

Published: June 17, 2021


Vulnerability identifier: #VU17830
Vulnerability risk: Low
CVE-ID: CVE-2019-8953
CWE-ID: CWE-79
Exploitation vector: Remote access
Vulnerable software:
pfsense (FreeBSD port)

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when processing the desc (aka Description) or table_actionsaclN parameter, related to haproxy_listeners.php and haproxy_listeners_edit.php within the HAProxy package, included into FreeBSD port. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install updates from GIT repository.