UPDATE WITHOUT DELAY
Joomla! 3.8.4 is a SECURITY FIX.
It addresses four security vulnerabilities and several bugs.
Security patches are as follows:
- Low Priority - Core - XSS vulnerability in module chromes (affecting Joomla 3.0.0 through 3.8.3)
- Low Priority - Core - XSS vulnerability in com_fields (affecting Joomla 3.7.0 through 3.8.3)
- Low Priority - Core - XSS vulnerability in Uri class (affecting Joomla 1.5.0 through 3.8.3)
- Low Priority - Core - SQLi vulnerability in Hathor postinstall message (affecting Joomla 3.7.0 through 3.8.3)
More details at the following link.
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.
WYNCHCO Joomla! CMS Support
We coach, help and support managers with responsibility for Joomla! websites in organisations across Cheshire, Manchester, Merseyside, North West England & the UK.