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VULNERABILITIES

CVE-2021-47698 Details

Description

Nagios XI versions prior to 5.8.7 using embedded Nagios Core are vulnerable to cross-site scripting (XSS) via the Core UI’s Views URL handling (escape_string()). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.nagios.com/changelog/nagios-xi/ [email protected]Release Notes
https://www.vulncheck.com/advisories/nagios-xi-xss-in-core-ui-views-url-handling [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
nagios nagios xi
< 5.8.7

CPE

  • cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-47698
NVD Published Date:
Nov 3, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-47698 Details - Not Deferred