6.1

CVE-2025-56432: nagios nagios_xi Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 26-08-2025Last modified 05-07-2026
Open JSON

Vulnerability summary

CVE-2025-56432 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in nagios nagios_xi. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.4% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2025
    PublishedVulnerability first disclosed.
  2. 05-07-2026
    Last modifiedVulnerability information updated.

Description

A cross-site scripting (XSS) vulnerability exists in Nagios XI 2024R2. The vulnerability allows remote attackers to execute arbitrary JavaScript in the context of a logged-in user's session via a specially crafted URL. The issue resides in a web component responsible for rendering performance-related data.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.87% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nagios1 product

1 vendor · 1 product

References

1 links