medium5.4
CVE-2021-20186
Moodle Cross-site Scripting
Impact
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | moodle/moodle | >= 3.10, < 3.10.1 | 3.10.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Moodle | Moodle | before 3.5.16 from 3.8.0 before 3.8.7 from 3.9.0 before 3.9.4 from 3.10.0 before 3.10.1 |