CVE-2021-47696 MEDIUM

CVE-2021-47696: Nagios XI < 5.8.0 XSS via BPI Config ID Handling

Vendor Nagios
Product XI
Weakness CWE-79 · XSS
Published October 30, 2025
Last update November 17, 2025

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

Nagios XI versions prior to 5.8.0 are vulnerable to cross-site scripting (XSS) via BPI config ID handling. 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.

Key dates

02Disclosure timeline

October 30, 2025 CVE published
November 17, 2025 Record updated