Nagios XI Recurring Downtime XSS (pre2011R1.9)
CVE-2011-10038 Published on October 30, 2025
Nagios XI < 2011R1.9 XSS via Recurring Downtime Script
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.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2011-10038 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2011-10038
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Affected Versions
Nagios XI:- Before 2011R1.9 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.