Is CVE-2023-51630 actively exploited?

No active exploitation of CVE-2023-51630 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51630 be exploited remotely?

Yes. CVE-2023-51630 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51630?

CVE-2023-51630 has a CVSS score of 6.1 (MEDIUM).

HOME VULNERABILITIESCVE-2023-51630

MEDIUM

CVE-2023-51630

CWE-79Published: February 8, 2024· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Paessler PRTG Network Monitor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the web console. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system.

. Was ZDI-CAN-21182.

NVD Source

Technical Analysis

CVE-2023-51630 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.