The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks.
| Severity/Risk: | Minor |
| Versions affected: | 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions |
| Versions fixed: | 3.11, 3.10.4, 3.9.7 and 3.8.9 |
| Reported by: | Jordan Tomkinson |
| CVE identifier: | CVE-2021-32478 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-70622 |
| Tracker issue: | MDL-70622 Reflected XSS and open redirect in LTI authorization endpoint |