What’s Vulnerable › Vulnerabilities

CVE-2022-40208

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-24 · updated 2026-06-17
• Weakness: CWE-285

Description

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Affected products

• Moodle: from 3.9.0 (excl.) before 3.9.16; from 3.11.0 (excl.) before 3.11.9; from 4.0.0 (excl.) before 4.0.3; 3.9.0, 3.11.0, 4.0.0 — fixed in 3.11.9, 3.9.16, 4.0.3

How to fix

Upgrade to a fixed version: Moodle 3.11.9, 3.9.16, 4.0.3. Check the vendor advisory for mitigations.

References

• https://moodle.org/mod/forum/discuss.php?d=438761
• https://moodle.org/mod/forum/discuss.php?d=438761

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