CVE-2021-20186
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Moodle
PublishedJan 28, 2021
First seenJan 28, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- moodle moodle3.5.16, 3.8.7, 3.9.4, 3.10.1 or later
- moodle/moodle3.10.1, 3.9.4, 3.8.7, 3.5.16 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| moodle moodle | v < 3.5.16, 3.8.0 ≤ v < 3.8.7, 3.9.0 ≤ v < 3.9.4, 3.10.0 ≤ v < 3.10.1 | 3.5.16, 3.8.7, 3.9.4, 3.10.1 |
| moodle/moodlePackagist | 3.10 ≤ v < 3.10.1, 3.9 ≤ v < 3.9.4, 3.8 ≤ v < 3.8.7, 3.5 ≤ v < 3.5.16 | 3.10.1, 3.9.4, 3.8.7, 3.5.16 |
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