PRTG Network Monitor version 17.3.33.2830 is vulnerable to stored Cross-Site Scripting on all sensor titles, related to incorrect error handling for a %00 in the SRC attribute of an IMG element.

PRTG Network Monitor version 17.3.33.2830 is vulnerable to reflected Cross-Site Scripting on error.htm (the error page), via the errormsg parameter.

Cross-site scripting (XSS-STORED) vulnerability in the DEVICES OR SENSORS functionality in Paessler PRTG Network Monitor before 17.3.33.2654 allows authenticated remote attackers to inject arbitrary web script or HTML.

Cross-site scripting (XSS) vulnerability in Paessler PRTG Network Monitor before 17.2.32.2279 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Paessler PRTG before 16.2.24.4045 has XSS via SNMP.

XML external entity vulnerability in PRTG Network Monitor before 16.2.23.3077/3078 allows remote authenticated users to read arbitrary files by creating a new HTTP XML/REST Value sensor that accesses a crafted XML file.

Cross-site scripting (XSS) vulnerability in the Monitor_Bandwidth function in PRTG Traffic Grapher 6.2.2.977 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Paessler IPCheck Server Monitor before 5.3.3.639/640 does not properly implement a "list of acceptable host IP addresses in the probe settings," which has unknown impact and attack vectors.