What’s Vulnerable › Vulnerabilities

CVE-2020-14320

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-16 · updated 2026-06-17
• Weakness: CWE-79

Description

In Moodle before 3.9.1, 3.8.4 and 3.7.7, the filter in the admin task log required extra sanitizing to prevent a reflected XSS risk.

Affected products

• Moodle: from 3.7.0 before 3.7.7; from 3.8.0 before 3.8.4; 3.9.0 — fixed in 3.7.7, 3.8.4

How to fix

Upgrade to a fixed version: Moodle 3.7.7, 3.8.4. Check the vendor advisory for mitigations.

References

• https://moodle.org/mod/forum/discuss.php?d=407392
• https://moodle.org/mod/forum/discuss.php?d=407392

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