Users' names required additional sanitizing in the account confirmation email, to prevent a self-registration phishing risk.
Note: If you have customised the language string emailconfirmation, you will need to edit the customisation and remove the placeholder {$a->firstname}.
| Severity/Risk: | Minor |
| Versions affected: | 3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 and earlier unsupported versions |
| Versions fixed: | 3.11.1, 3.10.5 and 3.9.8 |
| Reported by: | Babar Khan Akhunzada |
| CVE identifier: | CVE-2021-36402 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-58393 |
| Tracker issue: | MDL-58393 Insufficient escaping of users' names in account confirmation email |