Update Feed

Joomla 5.4.2

12 January 2026

Joomla version 5.4.2 is now available (security release).

Upgrading to Joomla 5.4.2

Joomla 5.4.2 can be updated to (or installed) using any of Installatron's products. Use Installatron's optional Automatic Update feature to automatically apply Joomla updates as new versions are released, or use Installatron's Clone feature to duplicate an existing Joomla install to test the 5.4.2 upgrade prior to moving it live with Installatron's Sync funtionality. Get started managing Joomla with Installatron

What's New in Joomla 5.4.2

Security fixes

Joomla! Core - [20260101] - Inadequate content filtering for data URLs - Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.
Joomla! Core - [20260102] - XSS vector in the pagebreak plugin - Lack of output escaping leads to a XSS vector in the pagebreak and pagenavigation plugins.