In some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.
| 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: | i_am_nobody |
| CVE |
Users' names required additional sanitizing in the account confirmation email, to prevent a self-registration phishing risk.
| 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-2021-3 |
ID numbers exported in HTML data formats required additional sanitizing to prevent a local stored XSS risk. Note that the XSS was part of the locally downloaded file and not on the Moodle site's domain.
| 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: | 3.1 |
Insufficient capability checks made it possible to remove other users' calendar URL subscriptions.
| 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: | Floerer |
| CVE identifier: | CVE-2021-36400 |
| Changes (master): | http://git.moodle. |