CVE-2023-40932

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Summary

CVECVE-2023-40932
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-09-19 23:15:10 UTC
Updated2026-07-09 01:18:36 UTC
DescriptionA Cross-site scripting (XSS) vulnerability in Nagios XI version 5.11.1 and below allows authenticated attackers with access to the custom logo component to inject arbitrary javascript or HTML via the alt-text field. This affects all pages containing the navbar including the login page which means the attacker is able to to steal plaintext credentials.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.010270000 probability, percentile 0.595940000 (date 2026-07-13)

Problem Types: CWE-79 | n/a

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nagios Nagios Xi All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Security Disclosures - Nagios af854a3a-2127-422b-91ae-364da2661108 www.nagios.com Vendor Advisory
Nagios XI vulnerabilities resulting in privilege escalation (& more)   - Outpost24 af854a3a-2127-422b-91ae-364da2661108 outpost24.com Third Party Advisory
Nagios - Network, Server and Log Monitoring Software MITRE nagios.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 378884 Nagios XI Multiple Vulnerabilities
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