CVE-2026-48552 — Nagios Core / XI DOM-based XSS via jsonquery.js
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 fiel…
Published: 2026-08-12 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7