What’s Vulnerable › Vulnerabilities

CVE-2024-34009: moodle: ReCAPTCHA can be bypassed on the login page

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-31 · updated 2026-06-17
• Weakness: CWE-20

Description

Insufficient checks whether ReCAPTCHA was enabled made it possible to bypass the checks on the login page. This did not affect other pages where ReCAPTCHA is utilized.

Affected products

• Moodle: from 4.3.0 before 4.3.4 — fixed in 4.3.4

How to fix

Upgrade to a fixed version: Moodle 4.3.4. Check the vendor advisory for mitigations.

References

• https://moodle.org/mod/forum/discuss.php?d=458398
• https://moodle.org/mod/forum/discuss.php?d=458398

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