BuddyPress 4.3.0 is now available. This is a security and maintenance release. All BuddyPress installations are strongly encouraged to upgrade as soon as possible.

The 4.3.0 release addresses nine security issues:

  • A privilege escalation vulnerability was fixed that could allow users to “favorite” activity items to which they do not have read access. Discovered by Yuvraj Dighe.
  • A privilege escalation vulnerability was fixed that could allow users to join non-public groups while using the Nouveau template pack. Discovered and reported independently by Yuvraj Dighe and Nam.Dinh.
  • A privilege escalation vulnerability was fixed that could allow users to reply to activity items to which they do not have read access. Discovered by Yuvraj Dighe.
  • A privilege escalation vulnerability was fixed that could allow users to view private message threads to which they do not have access while using the Nouveau template pack. Discovered by Yuvraj Dighe.
  • An XSS vulnerability was fixed in the save routine for group names. Discovered by wxy7174.
  • An XSS vulnerability was fixed in the content of activity items. Discovered by Yonatan Offek.
  • A privilege escalation vulnerability was fixed that could allow unauthorized users to update certain group settings. Discovered by wxy7174.
  • A privilege escalation vulnerability was fixed that could allow unauthorized users to view pending group invites. Discovered by Yuvraj Dighe.
  • A privilege escalation vulnerability was fixed that could allow unauthorized users to delete pending group invitations. Discovered by Yuvraj Dighe.

These vulnerabilities were reported privately to the BuddyPress team, in accordance with WordPress’s security policies. Our thanks to the reporters for practicing coordinated disclosure.

BuddyPress 4.3.0 also fixes 3 bugs. For complete details, visit the 4.3.0 changelog.