MyBB 1.8.3
code 1803
Security
Full Package
Install a new MyBB forum or upgrade from older versions.
Changed Files
Upgrade from the previous version.
Important Notes
The upgrade script does not need to be run when upgrading to this release with the Changed Files package.
Before performing any upgrade please remember to backup your forum’s files and database and store them safely. If you have edited core files, including language files, please make sure you make a changelog for these changes so you can make them again (if necessary) once the upgrade is complete.
Follow the Upgrade Documentation for more detailed instructions.
Security Vulnerabilities Addressed (1)
A SQL injection vulnerability in theme selection
Reported by StefanT MyBB Team
A XSS vulnerability related to post icons
Reported by Destroy666 MyBB Team