CVE-2025-34278 MEDIUM

CVE-2025-34278: Nagios Network Analyzer < 2024R1 Source Groups / Percentile Calculator Menu Stored XSS

Vendor Nagios
Product Network Analyzer
Weakness CWE-79 · XSS
Published October 30, 2025
Last update November 17, 2025

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 30, 2025 CVE published
November 17, 2025 Record updated