What’s Vulnerable › Vulnerabilities

CVE-2021-36393

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 52.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-06 · updated 2026-06-17
• Weakness: CWE-89

Description

In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses.

Affected products

• Moodle: before 3.9.8; from 3.10.0 before 3.10.5; from 3.11.0 before 3.11.1 — fixed in 3.10.5, 3.11.1, 3.9.8

How to fix

Upgrade to a fixed version: Moodle 3.10.5, 3.11.1, 3.9.8. Check the vendor advisory for mitigations.

References

• https://moodle.org/mod/forum/discuss.php?d=424798
• https://moodle.org/mod/forum/discuss.php?d=424798

Get alerted when CVE-2021-36393 or the next vulnerability affects your stack