Nagios NCPA tail.html cross site scripting
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A vulnerability classified as problematic was found in Nagios NCPA. This vulnerability affects unknown code of the file agent/listener/templates/tail.html. The manipulation of the argument name leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 2.4.0 is able to address this issue. The name of the patch is 5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5. It is recommended to upgrade the affected component. VDB-216874 is the identifier assigned to this vulnerability.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4285
- 2026-10-03 Alias added: GHSA-5899-hhfh-hw26
References
More Nagios Cross Platform Agent vulnerabilities
- TI-2021-19471 DOM-based Cross Site Scripting (XSS vulnerability in 'Tail Event Logs' functionality in… CVSS 3.1MEDIUM 4.8
Sources
- CVE-2021-4285 · CVE Program
- CVE-2021-4285 · NVD
- FIRST EPSS
- GHSA-5899-hhfh-hw26 · GitHub Advisory Database · CC BY 4.0
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