CVE-2025-34278CWE-79cross-site-scripting

CVE-2025-34278

Medium · published October 31, 2025

CVSS v3.1
5.4
EPSS
1%
Percentile
54.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00756 · 54.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-10-31T02:15Z
Affected products (1)
ProductVersionsFixed in
nagios/network_analyzer< 20242024
References (3)
https://www.nagios.com/changelog/#network-analyzer · [email protected]https://www.nagios.com/products/security/#network-analyzer · [email protected]https://www.vulncheck.com/advisories/nagios-network-analyzer-source-groups-percentile-calculator-menu-stored-xss · [email protected]
EPSS history
Timeline
  • 30 OCT 21:28Z
    Nagios Network Analyzer < 2024R1 Source Groups / Percentile Calculator Menu Stored XSS
    cvelistv5