CVE-2025-34278: Nagios Network Analyzer versions prior to 2024R1 contain a stored cross-site scripting (XSS) vulnerability in the…
CVE-2025-34278 · Severity: medium · CVSS 5.4 · Published 2025-10-30
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-34278 being exploited in the wild.
How severe is CVE-2025-34278?
Medium severity, with a CVSS score of 5.4, published 30 October 2025.
Which products and versions are affected?
Nagios Network Analyzer. The advisory does not name versions.
Is there a fix for CVE-2025-34278?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-34278?
Check whether you run Nagios Network Analyzer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.