Using search on Participants page students could search email addresses of all participants regardless of email visibility. This allows to enumerate and guess emails of other students
| Severity/Risk: | Minor |
| Versions affected: | 3.3 to 3.3.2, 3.2 to 3.2.5, 3.1 to 3.1.8 and earlier unsupported versions |
| Versions fixed: | 3.4, 3.3.3, 3.2.6 and 3.1.9 |
| Reported by: | Tim Schroeder |
| Workaround: | Prohibit capability 'moodle/course:viewparticipants' (View participants) for Student role until Moodle is upgraded |
| CVE identifier: | CVE-2017-15110 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-60550 |
| Tracker issue: | MDL-60550 Students can find out email addresses of other students who set theirs to "hidden" |