CVE-2025-67853
High · 7.5CVSS
7.5
EPSS
0.5%
Published
Feb 3, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Packagist | moodle/moodle | 0 | 4.1.22 |
| Packagist | moodle/moodle | 4.4.0-beta | 4.4.12 |
| Packagist | moodle/moodle | 4.5.0-beta | 4.5.8 |
| Packagist | moodle/moodle | 5.0.0-beta | 5.0.4 |
| Packagist | moodle/moodle | 5.1.0-beta | 5.1.1 |
Related vulnerabilities
- GHSA-5cx4-w4fh-fr57 Moodle Affected by Improper Restriction of Excessive Authentication Attempts Same vulnerability
- GHSA-ggxq-2mg9-8966 Moodle has a Remote Code Execution risk via file restore Also affects moodle/moodle
- GHSA-cg8j-5cr2-568q Moodle TeX formula editor is vulnerable to DoS through lack of execution time limits Also affects moodle/moodle
- CVE-2026-26047 A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. Also affects moodle/moodle
- CVE-2026-26045 A flaw was identified in Moodle’s backup restore functionality where specially crafted… Also affects moodle/moodle
- GHSA-8jrv-wx83-w3xj Moodle Inserts Sensitive Information Into Sent Data Also affects moodle/moodle
- GHSA-hcm6-q6pc-xfhm Moodle has an authorization logic flaw Also affects moodle/moodle
- GHSA-qv78-6gpp-hm68 Moodle Open Redirect vulnerability Also affects moodle/moodle