Paessler closes XSS vulnerability in PRTG – CVE-2023-51630 – Correction


Paessler has closed the high-risk vulnerability CVE-2023-51630 in the network monitoring solution PRTG. The XSS vulnerability allows a remote attacker to bypass authentication and take over the session of an active user.

Paessler has closed the vulnerability with the new PRTG version and published further details on

Although the vulnerability can only be exploited by means of a user action, we recommend updating to the latest version as soon as possible. If you have further questions on this matter or if you require support, please contact our Customer Support.

Peter Schwark


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