CVE-2021-20183
Moodle Vulnerable to Reflected Cross-site Scripting
5.4
MEDIUM
CVSS 3.1
EPSS 0.46%
Description
It was found in Moodle before version 3.10.1 that some search inputs were vulnerable to reflected XSS due to insufficient escaping of search queries.
How to fix CVE-2021-20183
To remediate CVE-2021-20183, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.10.1 or later
- —upgrade to 4.0.0-beta or later
Is CVE-2021-20183 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.10.1
- >= 3.10, < 4.0.0-beta
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |