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pfSense: pfSense-SA-22_04.webgui: XSS vulnerability in the WebGUI

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pfSense: pfSense-SA-22_04.webgui: XSS vulnerability in the WebGUI

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/25/2022
Created
10/19/2022
Added
10/18/2022
Modified
10/20/2022

Description

A Cross-Site Scripting (XSS) vulnerability was found in pkg.php, a component of the pfSense Plus and pfSense CE software GUI. This problems is present on pfSense Plus version 21.05.2, pfSense CE version 2.5.2, and earlier versions of both. The page did not sanitize the contents of the pkg_filter parameter nor did it encode the output when it included the value of that parameter in the page, leading to a possible XSS. Due to the lack of proper encoding on the affected parameters susceptible to XSS, arbitrary JavaScript could be executed in the user's browser. The user's session cookie or other information from the session may be compromised.

Solution(s)

  • pfsense-upgrade-latest

References

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