CVE-2026-48958: Improper Access Control

An improper access check allows unauthorized users to create custom fields via webservices endpoints...

Joomla 4.0.x < 5.4.7 / 6.0.x < 6.1.2 Joomla 6.1.2 & 5.4.7 Security & Bugfix Release (joomla-6-1-2-5-4-7-security-bugfix-release)

According to its self-reported version, the instance of Joomla! running on the remote web server is 4.0.x prior to 5.4.7 or 6.0.x prior to 6.1.2. It is, therefore, affected by a vulnerability. - An improper access check allows unauthorized users to create custom fields via webservices endpoints...