MyBB 1.8.18

SecurityMaintenance

code 1818

Full Package

Install a new MyBB forum or upgrade from older versions.

.zip – 2.15 MB

Download from MyBB.com Download from GitHub.com (mirror)

sha512:

b78953aec184befb07ffd19fcef5492a09ce1a7c60072c2ce3953905a54b29396ebd84747e5c17f40621b5918e08a4b1e4b5845eb5a738eb2b95010b4c69b383

More checksums…

sha256:

aed1f7a614c1b57f2a8faff17138e68892f1ee8c25bdeb1dc69e99b26609e615

sha1:

14738d3b8b507ef4a10b3378254e037bcdb4b3cd

md5:

b36c12558a434773105ee46aa02bb372

Changed Files

Upgrade from the previous version.

.zip – 0.82 MB

Download from MyBB.com Download from GitHub.com (mirror)

sha512:

378e171dc7c01bfb51a32bcf52bcec11bbf69c60a5c16751978887b23c8723e9f0bff7d55d27bba6cccf85a018c754eb14175ca697dff91543dfd66107e9aa28

More checksums…

sha256:

3e004dbd3a46a3165eee6e48003c65fd0aae59a6a078eca942f06df05c60369d

sha1:

db4fce23af75a56b964decf5a9364b456aabe141

md5:

2832e0a07cf8b6f8e6cc123bb1305116

How to verify packages

Changes include added support for Mixer videos and multi-file attachments, modified Word Filter behavior, fixes to the mailing queue and improved compatibility with SQLite and MySQL 8. Theme CSS changes may be required and administrators may need to review Word Filters.

Upgrading to this Version

To upgrade: copy and overwrite the files, and run the install/ upgrade script.

Before performing any upgrade, 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 (2)

High risk

Image MyCode "alt" attribute persistent XSS

Reported by Punisher_HF

Medium risk

RSS Atom 1.0 item title persistent XSS

CWE-79 CVSS:3.1/PR:N Reported by 0xB9

Issues Resolved (30)

View issues on GitHub

Changed Files ()

Changed Language Files (8)

There are changes to 8 language file(s). Changed languages files can be cross-referenced from the list above.

Changed Templates (31)

  • editpost
  • error_inline_item
  • error_nopermission
  • forumdisplay_inlinemoderation
  • index_whosonline_memberbit
  • member_lostpw
  • newreply
  • newthread
  • portal_whosonline_memberbit
  • post_attachments_new
  • post_javascript
  • postbit_edit
  • postbit_multiquote
  • postbit_quickdelete
  • postbit_quickrestore
  • postbit_quote
  • private_send_autocomplete
  • search_results_posts_inlinemoderation
  • search_results_threads_inlinemoderation
  • showthread
  • showthread_inlinemoderation
  • showthread_moderationoptions_approve
  • showthread_moderationoptions_custom_tool
  • showthread_moderationoptions_deletepoll
  • showthread_moderationoptions_manage
  • showthread_moderationoptions_openclose
  • showthread_moderationoptions_stickunstick
  • showthread_moderationoptions_unapprove
  • showthread_printthread
  • showthread_ratethread
  • video_mixer_embed