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Vulnerability of pfSense HAProxy: Cross Site Scripting

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting of pfSense HAProxy, in order to run JavaScript code in the context of the web site.
Vulnerable products: pfSense.
Severity of this weakness: 2/4.
Creation date: 21/02/2019.
Références of this bulletin: CVE-2019-8953, VIGILANCE-VUL-28578.

Description of the vulnerability 

The pfSense HAProxy product offers a web service.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of pfSense HAProxy, in order to run JavaScript code in the context of the web site.
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This cybersecurity threat impacts software or systems such as pfSense.

Our Vigil@nce team determined that the severity of this computer threat note is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this security threat.

Solutions for this threat 

pfSense HAProxy: patch.
A patch is indicated in information sources.
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