MyBB 1.6.9 Security Release

MyBB 1.6.9 is now available from the MyBB website and is a security release for the 1.6 series.

What’s added/changed in this version?

It has come to our attention that there is an SQL injection vulnerability in all versions of MyBB, including MyBB 1.6.8. We advise all MyBB forum owners to upgrade their forum as soon as possible.

With thanks to frostschutz and StefanT for finding and reporting these issues.

Vulnerabilities fixed:

  • High Risk: An SQL vulnerability when editing a post
  • Medium Risk: CAPTCHA systems non effective, providing possible brute-force access

Bugs fixed:

  • An issue with the editor not working in Firefox 16 and above

We apologise for any inconvenience.

Upgrading from 1.6.8 and Other Versions

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 once the upgrade is complete.

To upgrade, follow the Upgrading process. The upgrade script is required. There are changes to 1 language file (messages.lang.php). There are changes to 3 templates (portal_welcome_guesttext, loginbox & codebuttons).

If you’re using MyBB 1.6.8

If you’re using MyBB 1.6.7 or below

Reporting MyBB Security Vulnerabilities

If you think you’ve found a vulnerability in MyBB, we advise you not to publicly post it on these forums or publicly release information about it elsewhere until we’ve had time to prepare and release a patch.

As always, you can send through security related messages on the MyBB website from the Contact Us page or in our Private Inquiries forum – where you can start a new thread that only you and the MyBB Team can see.

Thank you,

MyBB Team

31 thoughts on “MyBB 1.6.9 Security Release

  1. Just ran the upgrade script and worked fine. A stylesheet was completely removed but it was a plugin stylesheet created via Pluginlibrary. Waiting for 1.6.10 now :)

  2. Could you start providing checksums or – ideally – GPG signed tarballs? It would be a great addition to security. Thank you.

  3. Pingback: MyBB 1.6.9 Sıfır Kurulum + Güvenlik Güncelleme Paketi | MakroBlog - Güncel Bilginin Yeni Adresi

  4. Pingback: How to Update MyBB version

    • check the username above, staff from mybb has been remove our username click-able website link. last time they also refused to post our comment.

      we are mybb fan, but we are totally disappointed for your moderation.

      if you will continue to remove our link, we will also remove mybb link in our website.
      :(

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