CVE-2021-20183: Moodle Vulnerable to Reflected Cross-site Scripting

medium Affects moodle/moodle. Feed 2026.10.29.1, updated 2026-10-28; published 2022-05-24; advisory modified 2024-02-16.

Moodle Vulnerable to Reflected Cross-site Scripting

Package: moodle/moodle Composer
Affected versions: >=3.10 and <4.0.0-beta
Fixed in: 4.0.0-beta
Severity: medium CVSS 5.4
Exploitation: not on CISA KEV · EPSS 1% (57.3th percentile)
Published: 2022-05-24
Source: osv.dev

References

CWE-79

NVD record moodle/moodle advisories

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