Content output by the database auto-linking filter required additional sanitizing to prevent an XSS risk.
| Severity/Risk: | Serious |
| Versions affected: | 4.1 to 4.1.1, 4.0 to 4.0.6, 3.11 to 3.11.12, 3.9 to 3.9.19 and earlier unsupported versions |
| Versions fixed: | 4.1.2, 4.0.7, 3.11.13 and 3.9.20 |
| Reported by: | Petr Skoda |
| Workaround: | Disable the database auto-linking filter until the patch has been applied. |
| CVE identifier: | CVE-2023-28331 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76645 |
| Tracker issue: | MDL-76645 XSS risk when outputting database activity filter data |