{"id":"BIT-joomla-2026-21631","summary":"Joomla! Core - [20260303] - XSS vector in com_associations comparison view","details":"Lack of output escaping leads to a XSS vector in the multilingual associations component.","aliases":["CVE-2026-21631"],"modified":"2026-09-08T08:48:02.496118703Z","published":"2026-04-10T08:49:17.625Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:joomla:joomla!:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://developer.joomla.org/security-centre/1029-20260303-core-xss-vector-in-com-associations-comparison-view.html"},{"type":"ADVISORY","url":"https://github.com/Shirshaw64p/security-advisories/tree/main/CVE-2026-21631"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21631"}],"affected":[{"package":{"name":"joomla","ecosystem":"Bitnami","purl":"pkg:bitnami/joomla"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"5.4.4"},{"introduced":"6.0.0"},{"fixed":"6.0.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/joomla/BIT-joomla-2026-21631.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}