[buddypress-trac] [BuddyPress Trac] #8007: BP blogmeta update routine incorrectly overwrites 'post_title' for unrelated activities

buddypress-trac noreply at wordpress.org
Tue Nov 27 09:02:15 UTC 2018

#8007: BP blogmeta update routine incorrectly overwrites 'post_title' for
unrelated activities
 Reporter:  r-a-y         |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Up Next
Component:  Blogs         |    Version:  2.1
 Severity:  normal        |   Keywords:  has-unit-tests has-patch
 When a blog post is updated, a few things are synced if there is a
 corresponding activity item.

 @boonebgorges discovered a bug if:
 - the WP site is using multisite; and
 - if the blog post contains comments; and
 - if there are corresponding 'new_blog_comment' activity items; and
 - if the post title has changed

 What happens is the post title activity meta entry is updated for each
 'new_blog_comment' activity item where the post comment ID is the same
 across the entire network.

 The problem occurs here:

 When querying for old-style activity comment items, the activity query
 only does a search on the 'action', 'object', and 'secondary_id' - but not
 'primary_id'. As such, it returns a large number of activity items
 associated with posts on different sites (bad) and then proceeds to update
 the metadata on them (worse).

 I've attached a unit test exhibiting the bug, as well as the patch that
 fixes the issue.

 This bug was introduced as part of #5609.

Ticket URL: <https://buddypress.trac.wordpress.org/ticket/8007>
BuddyPress Trac <http://buddypress.org/>
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