CVE-2023-28148 Cross-site scripting in PRTG Network Monitor
An XSS vulnerability in Paessler PRTG Network Monitor allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-28148?
CVE-2023-28148 is a high-severity cross-site scripting vulnerability in Paessler PRTG Network Monitor, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A bodyclass XSS issue was discovered in Paessler PRTG before 23.3.86.1520.
Weakness: CWE-79
Which versions are affected by CVE-2023-28148?
How do I fix CVE-2023-28148?
No fix has been published for CVE-2023-28148 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-28148 being exploited?
There is no known exploitation of CVE-2023-28148 in the wild and no public exploit code.
Sources
Also known as GHSA-wwp4-3wv8-86qq.