{"id":"CVE-2026-48954","details":"Improper validation leads to a generic XSS vector in the language override feature.","aliases":["BIT-joomla-2026-48954"],"modified":"2026-07-15T07:24:31.872425Z","published":"2026-07-07T19:16:54.060Z","references":[{"type":"ADVISORY","url":"https://developer.joomla.org/security-centre/1062-20260708-core-xss-through-language-overrides.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/joomla/joomla-cms","events":[{"introduced":"c1acb7e6973bd549fe35a02659fe851ff1a37dfe"},{"fixed":"09525fc6f24b0a461633f97b367aabae793a40ba"},{"introduced":"0db7d502466ae41242ad761424f76378458fb819"},{"fixed":"c623e73b17c749f4644cb5634f59ca683b69d17b"}],"database_specific":{"cpe":"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"fixed":"5.4.7"},{"introduced":"6.0.0"},{"fixed":"6.1.2"}],"source":"CPE_RANGE"}}],"versions":["6.1.2-rc3","6.1.2-rc2","5.4.7-rc1","6.1.2-rc1","6.1.1","5.4.6","6.1.1-rc1","5.4.6-rc1","6.1.0","6.1.0-rc3","6.1.0-rc2","5.4.5","5.4.5-rc1","6.1.0-rc1","5.4.4","6.1.0-beta3","6.1.0-beta2","6.1.0-beta1","5.4.3","5.4.3-rc1","6.1.0-alpha3","6.1.0-alpha2","5.4.2","5.4.2-rc1","6.1.0-alpha1","5.4.1","5.4.1-rc2","5.4.1-rc1","5.4.0","5.4.0-rc1","5.4.0-beta3","5.4.0-beta2","6.0.0-beta1","5.4.0-beta1","6.0.0-alpha3","5.4.0-alpha3","6.0.0-alpha2","5.4.0-alpha2","6.0.0-alpha1","5.4.0-alpha1","5.3.0-alpha3","5.3.0-alpha2","5.3.0-alpha1","5.2.0-beta1","5.2.0-alpha3","5.2.0-alpha1","5.1.0-alpha4","5.1.0-alpha3","5.1.0-alpha2","5.1.0-alpha1","5.0.0-rc","5.0.0-beta3","5.0.0-beta2","5.0.0-beta1","5.0.0-alpha4","5.0.0-alpha3","5.0.0-alpha2","5.0.0-alpha1","4.2.0-rc1","4.2.0-beta3","psr12final","psr12anchor","4.2.0-beta2","4.2.0-beta1","4.2.0-alpha3","cypress-io","cypress","4.2.0-alpha2","4.2.0-alpha1","4.1.0-rc1","4.1.0-beta3","4.1.0-beta2","4.1.0-beta1","4.1.0-alpha3","4.1.0-alpha2","4.1.0-alpha1","4.0.0-beta3","4.0.0-beta2","4.0.0-beta","4.0.0-alpha12","4.0.0-alpha11","4.0.0-alpha10","4.0.0-alpha9","4.0.0-alpha8","4.0.0-alpha7","4.0.0-alpha6","4.0.0-alpha5","4.0.0-alpha4","4.0.0-alpha2","4.0.0-alpha1","3.5.0-beta2","3.4.5","3.5.0-beta","3.4.4","3.4.4-rc2","3.4.4-rc","3.4.3","3.4.2","3.4.2-rc","3.4.1","3.4.1-rc2","3.4.1-rc","3.4.0","3.4.0-rc","3.4.0-beta3","3.4.0-beta2","3.4.0-beta1","3.2.4","3.3.0","3.2.3","3.2.2","3.2.1","3.2.0","3.1.5","3.2.0.rc","3.2.0.beta","3.2.0.alpha","3.1.1","3.0.3","3.1.0_beta5","3.1.0_beta4","3.1.0_beta3","3.1.0_beta2","3.1.0_beta1","3.0.1","3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48954.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}