Paypal IPN callback script should only send error emails to admin after request origin was verified, otherwise admin email can be spammed
| Severity/Risk: | Serious |
| Versions affected: | 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions |
| Versions fixed: | 3.4.2, 3.3.5, 3.2.8 and 3.1.11 |
| Reported by: | Brendan Cox |
| CVE identifier: | CVE-2018-1081 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-61392 |
| Tracker issue: | MDL-61392 Unauthenticated users can trigger custom messages to admin via paypal enrol script |