nagios4: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js
CVE-2026-48552 is fixed in nagios4 on 1 platform, first by DEBIAN-CVE-2026-48552, released August 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| nagios4 · Debian 12.15 (bookworm) | 4.4.6-4+deb12u2 | DEBIAN-CVE-2026-48552 | Aug 12, 2026 |
| nagios4 · Debian 13.5 (trixie) | 4.4.6-4.1+deb13u2 | DEBIAN-CVE-2026-48552 | Aug 12, 2026 |
| nagios4 · Debian 14 | 4.5.14+ds-1 | DEBIAN-CVE-2026-48552 | Aug 12, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.