XSS in Nagios Log Server

CVE-2025-29471

Cross Site Scripting vulnerability in Nagios Log Server v.2024R1.3.1 allows a remote attacker to execute arbitrary code via a payload into the Email field.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.072 (94.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-29471: held from 0.067 to 0.072.

EPSS over last 30 days · oldest: 0.067 · newest: 0.072 · change: +0.005

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-29471?
CVE-2025-29471 is a high-severity vulnerability in Nagios Log Server, classified under Cross-site Scripting. CVSS score: 8.3/10. Published 2025-04-15.
How severe is CVE-2025-29471?
High severity. CVSS v3 base score is 8.3 out of 10.
Is CVE-2025-29471 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.