CVE-2011-10040: Nagios XI < 2011R1.9 XSS via Status/Report Page Link Functions

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-30 · updated 2026-10-18
Weakness: CWE-79

Description

Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the link-handling functions used by status and report pages. 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.

Affected products

Nagios XI: through 2009; 2011-r1, 2011-r1.1, 2011-r1.2, 2011-r1.3, 2011-r1.4, 2011-r1.5 (+3)

References

https://www.nagios.com/changelog/nagios-xi/
https://www.vulncheck.com/advisories/nagios-xi-xss-via-status-report-page-link-functions

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