The issues identified are as follows:
We recommend doing a full upgrade to resolve the issue, but a patch can be applied manually. See below for further details.
The following public templates have had changes:
The following are minimum requirements:
- Prevention of a possible stored XSS (cross-site scripting) exploit related to BB code rendering (thank you to Antisocial)
- Prevention of a possible XSS exploit related to lightbox usage in posts (thank you UwU)
- Prevention of a possible RCE (remote code execution) exploit via authenticated, but malicious, admin users (thank you UwU)
We recommend doing a full upgrade to resolve the issue, but a patch can be applied manually. See below for further details.
Upload patch files
- Download 239-patch.zip
- Extract the .zip file
- Upload the contents of the upload directory to the root of your XenForo installation
- Rebuild master data by logging in to your install URL, or running xf:rebuild-master-data on the command line
The following public templates have had changes:
- attachment_macros
- bb_code_tag_attach
- lightbox_macros
The following are minimum requirements:
- PHP 7.2 or newer (PHP 8.3 recommended)
- MySQL 5.7 and newer (Also compatible with MariaDB/Percona etc.)
- All of the official add-ons require XenForo 2.3.
- Enhanced Search requires at least Elasticsearch 7.2.