CVE-2025-34278 Nagios Network Analyzer < 2024R1 Source Groups / Percentile Calculator Menu Stored XSS
Stored XSS in Nagios Network Analyzer allows attackers to inject scripts that execute in victims' browsers, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-34278?
CVE-2025-34278 is a medium-severity cross-site scripting vulnerability in Nagios Network Analyzer, published on 30 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Nagios Network Analyzer versions prior to 2024R1 contain a stored cross-site scripting (XSS) vulnerability in the Source Groups page (percentile calculator menu). An attacker can supply a malicious payload which is stored by the application and later rendered in the context of other users. When a victim views the affected page the injected script executes in the victim's browser context.
Weakness: CWE-79
Which versions are affected by CVE-2025-34278?
It affects 1 product.
Products include Nagios Network Analyzer.
How do I fix CVE-2025-34278?
No fix has been published for CVE-2025-34278 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-2025-34278 being exploited?
There is no known exploitation of CVE-2025-34278 in the wild and no public exploit code.
Other vulnerabilities in Nagios Network Analyzer
Sources
Also known as GHSA-75j9-fg6j-3gvg.