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Medium · 5.1 CVE-2011-10038 EUVD-2011-5266GHSA-vxgw-44xc-h6c6

Nagios XI < 2011R1.9 XSS via Recurring Downtime Script

Published Oct 30, 2025 · Updated Nov 17, 2025 · Assigned by VulnCheck

Description

Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the recurring downtime script of the web interface. 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

VendorProductAffectedFixed
Nagios XI < 2011R1.9 2011R1.9

References