{"action":"Upgrade nagios4 to 4.5.14+ds-1 or later.","affected":[{"fixed":"4.5.14+ds-1","introduced":"0"}],"component":"nagios4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.5.14+ds-1"],"id":"tcs_01M5NSKVTMW652MR2K987AT967","modified_at":"2026-10-14T06:00:24.788877637Z","published_at":"2026-08-12T17:17:27.523Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-48552","https://security-tracker.debian.org/tracker/CVE-2026-48552"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-48552#Debian:14/nagios4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-48552"}],"summary":"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 th"}