If a forum's subscription mode was set to "forced subscription", the forum's subscribe link contained an open redirect.
| Severity/Risk: | Minor |
| Versions affected: | 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7 and earlier unsupported versions |
| Versions fixed: | 3.7.2, 3.6.6 and 3.5.8 |
| Reported by: | John Couzins |
| Workaround: | Set a different subscription mode (eg optional or auto) on forums until the patch is applied. |
| CVE identifier: | CVE-2019-14831 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-55451 |
| Tracker issue: | MDL-55451 Forum subscribe link contained an open redirect if forced subscription mode was enabled |