Vulnerability CVE-2020-19201
Published: 2021-07-12

Description:
A Stored Cross-Site Scripting (XSS) vulnerability was found in status_filter_reload.php, a page in the pfSense software WebGUI, on Netgate pfSense version 2.4.4-p2 and earlier. The page did not encode output from the filter reload process, and a stored XSS was possible via the descr (description) parameter on NAT rules.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Pfsense -> Pfsense 

 References:
https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html
https://www.pfsense.org/download/
https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916
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