CVE-2025-67853
High
Description
A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Moodle
PublishedFeb 3, 2026
First seenFeb 3, 2026
Weakness typeCWE-307CWE-307
How to fix
Update
- moodle moodle4.1.22, 4.4.11, 4.5.8, 5.0.4 or later
- moodle/moodle4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| moodle moodle | v < 4.1.22, 4.4.0 ≤ v < 4.4.11, 4.5.0 ≤ v < 4.5.8, 5.0.0 ≤ v < 5.0.4, 5.1.0 | 4.1.22, 4.4.11, 4.5.8, 5.0.4 |
| moodle/moodlePackagist | v < 4.1.22, 4.4.0-beta ≤ v < 4.4.12, 4.5.0-beta ≤ v < 4.5.8, 5.0.0-beta ≤ v < 5.0.4, 5.1.0-beta ≤ v < 5.1.1 | 4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1 |
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