PT-2025-44799 · Nagios Enterprises · Nagios Core+1

Published 2025-11-03 · Updated 2025-11-07 · CVE-2021-47698

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nagios XI versions prior to 5.8.7

Description Nagios XI versions prior to 5.8.7, utilizing embedded Nagios Core, are susceptible to cross-site scripting (XSS) through the Core UI’s Views URL handling. Insufficient validation or escaping of user-supplied input could allow an attacker to inject and execute arbitrary script within a victim’s browser.

Recommendations Update to version 5.8.7 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-47698

Affected Products

Nagios Core

Nagios Xi

References · 6

• https://nagios.com/changelog/nagios-xi · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47698 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47698 · Vendor Advisory
• https://t.me/cveNotify/142075 · Telegram Post
• https://vulncheck.com/advisories/nagios-xi-xss-in-core-ui-views-url-handling · Note
• https://t.me/CVEtracker/36449 · Telegram Post