CVE-2021-47698 | THREATINT

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.

PUBLISHED Reserved 2025-10-30 | Published 2025-11-03 | Updated 2025-11-06 | Assigner VulnCheck

MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status

unaffected

Any version before 5.8.7

affected

References

www.nagios.com/changelog/nagios-xi/ release-notes patch

www.vulncheck.com/...os-xi-xss-in-core-ui-views-url-handling third-party-advisory

cve.org (CVE-2021-47698)

nvd.nist.gov (CVE-2021-47698)

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