Joomla! 3.9.12 Security Release announced
Joomla! 3.9.12 is a Security Release which addresses ONE security vulnerability.
This release also includes several improvements.
See the Release Notes at the link below.
Core - XSS in logo parameter of default templates (affecting Joomla 3.0.0 through 3.9.11).
Back up before updating is highly recommended
Protect your assets.
Perform a FULL backup of your website (database and files) BEFORE updating the Joomla! CMS and/or its extensions.