This is a security release for the 3.x series of Joomla which addresses 7 security vulnerabilities and contains more than 35 bug fixes and improvements.
What's in 3.9.23?
Joomla 3.9.23 includes 7 security vulnerability fixes and addresses several bugs, including:
Security Issues Fixed
[20201101] Low Priority - High Impact - Write ACL violation in multiple core views (affecting Joomla! 2.5.0 through 3.9.22)
[20201102] Low Priority - Moderate Impact - Disclosure of secrets in Global Configuration page (affecting Joomla! 2.5.0 through 3.9.22)
[20201103] Low Priority - Moderate Impact - Path traversal in mod_random_image (affecting Joomla! 2.5.0 through 3.9.22)
[20201104] Low Priority - High Impact - SQL injection in com_users list view (affecting Joomla! 3.0.0 through 3.9.22)
[20201105] Low Priority - Low Impact - User Enumeration in backend login (affecting Joomla! 3.9.0 through 3.9.22)
[20201106] Low Priority - Low Impact - CSRF in com_privacy emailexport feature (affecting Joomla! 3.9.0 through 3.9.22)
[20201107] Low Priority - High Impact - Write ACL violation in multiple core views (affecting Joomla! 1.7.0 through 3.9.22)
Bug fixes and Improvements
In order to get Joomla ready for PHP 8 (to be released on November 26th, 2020), Joomla 3.9.23 includes fixes to ensure PHP 8 compatibility.
Validation rule added for the redirect header field
Validation rule added for the redirect header field
TinyMCE updated
Validation rule added for the redirect header field [/li]
Fix for frontend module editing permissions
Validation rule added for the redirect header field [/li]
Fix for the lost of transparency when cropping/resizing images
Remember it is important to keep Joomla and all your extensions up to date to keep bugs and hackers at bay.
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