Medium severity · published Oct 31, 2025
CVE-2024-13992
Nagios XI < 2024R1.1 XSS via Missing Page / 404
5.4
CVSS
0.6%
EPSS
No
On KEV
Description
Nagios XI versions prior to < 2024R1.1 is vulnerable to a cross-site scripting (XSS) when a user visits the "missing page" (404) page after following a link from another website. The vulnerable component, page-missing.php, fails to properly validate or escape user-supplied input, allowing an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI domain.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XI
XI · Nagios
before 2024R1.1 · source: vendor
NX
Nagios XI · Nagios
before 2024; 2024; 2024; 2024 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-13992
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-13992
Release Notes
https://www.nagios.com/changelog/nagios-xi/2024r1-1/
Vendor Advisory
https://www.nagios.com/products/security/#nagios-xi
Third Party Advisory
https://www.vulncheck.com/advisories/nagios-xi-xss-via-missing-page
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