QwikSec

Security Database

CVE

CWE

Training

CVE-2021-47699

Published: Oct 30, 2025

Modified: Nov 17, 2025

PUBLISHED

Description

Nagios XI versions prior to 5.8.7 are vulnerable to cross-site scripting (XSS) via the Audit Log page’s Send to NLS form. 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.

Vendor	Product	Versions
Nagios	XI	affected `0 - < 5.8.7`

Weaknesses (CWE)

References

https://www.nagios.com/changelog/nagios-xi/

release-notes

patch

https://www.vulncheck.com/advisories/nagios-xi-xss-in-audit-log-via-send-to-nls-form

third-party-advisory

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.