Teachers exporting a forum in CSV format could receive a CSV of forums from all courses in some circumstances.
|Versions affected:||3.10 to 3.10.3, 3.9 to 3.9.6 and 3.8 to 3.8.8|
|Versions fixed:||3.11, 3.10.4, 3.9.7 and 3.8.9|
|Reported by:||Daniel Konrad|
|Workaround:||Remove the Export Forum (mod/forum:exportforum) capability from non-admin roles/users until the patch has been applied.|
|Tracker issue:||MDL-71359 Forum CSV export could result in posts from all courses being exported|
Read more https://moodle.org/mod/forum/discuss.php?d=422305&parent=1701629