Description
XSS exists in PRTG Network Monitor 20.1.56.1574 via crafted map properties. An attacker with Read/Write privileges can create a map, and then use the Map Designer Properties screen to insert JavaScript code. This can be exploited against any user with View Maps or Edit Maps access.
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
- PRTG Network Monitor 20.4.63.1412 - 'maps' Stored XSS EDB-49156 · webapps · Dec 2, 2020
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://www.paessler.com/prtg/history/stable
- https://gist.github.com/alert3/e058baa33c31695f4168a1dbf77103df
- https://kb.paessler.com/en/topic/88223-what-s-the-open-vulnerability-report-cve-2020-14073-that-my-security-tracker-informed-me-about
- http://packetstormsecurity.com/files/160312/PRTG-Network-Monitor-20.4.63.1412-Cross-Site-Scripting.html