Description
In pfSense 2.4.4-p3, a stored XSS vulnerability occurs when attackers inject a payload into the Name or Description field via an acme_accountkeys_edit.php action. The vulnerability occurs due to input validation errors.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- pfSense 2.4.4-p3 (ACME Package 0.59_14) - Persistent Cross-Site Scripting EDB-46936 · webapps · May 29, 2019
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://redmine.pfsense.org/issues/9554#change-40729
- https://www.pfsense.org/download/
- https://ctrsec.io/index.php/2019/05/28/stored-xss-acme-pfsense-2-4-4-p3/
- http://packetstormsecurity.com/files/153112/pfSense-2.4.4-p3-Cross-Site-Scripting.html
- https://github.com/pfsense/FreeBSD-ports/commit/504909564079e540689dbdbed3a579483c614275