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computer vulnerability 27935

pfSense: Cross Site Scripting via WebGUI

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting via WebGUI of pfSense, in order to run JavaScript code in the context of the web site.
Impacted systems: pfSense.
Severity of this alert: 2/4.
Consequences of an intrusion: client access/rights.
Pirate's origin: document.
Creation date: 03/12/2018.
Références of this alert: pfSense-SA-18_07.webgui, VIGILANCE-VUL-27935.

Description of the vulnerability

The pfSense product offers a web service.

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

An attacker can therefore trigger a Cross Site Scripting via WebGUI of pfSense, in order to run JavaScript code in the context of the web site.
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