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

published 2025-04-15 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-11098

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 7.3%; EPSS 7.3% chance of exploitation in 30 days, percentile 94%
public exploits: 1; Exploit-DB

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.

Timeline

2025-04-03 First public exploit (EDB-52117)
2025-04-15 Published

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

7.28% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-52117 Nagios Log Server 2024R1.3.1 - Stored XSS webapps, 2025-04-03
youtu.be https://youtu.be/MvJuIkdTSQg referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.3	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA	3.1	8.3	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

youtu.be /MvJuIkdTSQg
exploit
exploit-db.com /exploits/52117
exploit, third-party-advisory
nagios.com /changelog/#log-server
release-notes

Sources

CVE List CVE-2025-29471
NVD CVE-2025-29471

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary