# CVE-2025-34278: Nagios Network Analyzer versions prior to 2024R1 contain a stored cross-site scripting (XSS) vulnerability in the…

Source: https://junglewise.ai/threats/cve-2025-34278-nagios-network-analyzer-versions-prior-to-2024r1-contain-a-stored  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-30  
License: CC BY 4.0 with a link back

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.

Vendors: [Nagios](https://junglewise.ai/threats/vendors/nagios).

## Quick answers

**Is CVE-2025-34278 exploited in the wild?** 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.

## Affected products

- Nagios Network Analyzer

## Related threats

- [Nagios Network Analyzer versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Percentile…](https://junglewise.ai/threats/cve-2023-7319-nagios-network-analyzer-versions-prior-to-2024r1-are-vulnerable-to)