Install a new MyBB forum or upgrade from older versions.
.zip – 2.13 MBDownload from MyBB.com Download from GitHub
Upgrade from the previous version.
.zip – 0.87 MBDownload from MyBB.com Download from GitHub
Running the upgrade script is required.
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.
Note: this version removes the discontinued “Yahoo” profile field, which may have been customized for other purposes.
Security Vulnerabilities Addressed (5)
Installer RCE on settings file write
Reported by yelang123 Stealien
Arbitrary upload paths & Local File Inclusion RCE
Reported by CNCERT
XSS via insufficient HTML sanitization of Blog feed & Extend data
Reported by Devilshakerz MyBB Team
Open redirect on login
Reported by Jyoti Raval Qualys
Issues Resolved (36)View issues on GitHub
Changed Files ()
Changed Language Files (16)There are changes to 16 language file(s). Changed languages files can be cross-referenced from the list above.
Changed Templates (17)