CVE-2026-48552
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
Aug 12, 2026
Vendor
unknown
Description
Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browser.