medium5.4
CVE-2026-48552
Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nagios | Nagios Core | before 4.5.14 |
Versions were read from the advisory text. No structured product data has been published for this record yet.