CVE-2025-67833 Cross-site scripting in n/a
An unauthenticated attacker can execute arbitrary scripts via the tag parameter in PRTG Network Monitor, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-67833?
CVE-2025-67833 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the tag parameter.
Weakness: CWE-79
Which versions are affected by CVE-2025-67833?
It affects 1 product.
Products include Paessler Prtg Network Monitor.
How do I fix CVE-2025-67833?
No fix has been published for CVE-2025-67833 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-2025-67833 being exploited?
There is no known exploitation of CVE-2025-67833 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-19410 Paessler PRTG Network Monitor Local File Inclusion
- CVE-2018-9276 Paessler PRTG Network Monitor OS Command Injection
- CVE-2020-10374 Command injection in n/a
- CVE-2023-51630 Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability
- CVE-2023-31452 Cross-site request forgery in n/a
Sources
Also known as GHSA-7jf7-f9j8-ggpf.