CVE-2026-48954 Joomla! Core - [20260708] - XSS through language overrides

Improper validation leads to a generic XSS vector in the language override feature...

CVE-2026-48954

CVE-2026-48954 affects Joomla! Core - Language Overrides. Root cause: improper validation allows a generic XSS in the language override feature. Impact per sources: high-severity issue (CVSS 4.0 base 8.4) with network access, requiring high privileges and passive user interaction; confidentiality...

[20260708] - Core - XSS through language overrides

Improper validation leads to a generic XSS vector in the language override feature...