CSRF in Moodle
CVE-2022-45149
A vulnerability was found in Moodle which exists due to insufficient validation of the HTTP request origin in course redirect URL. A user's CSRF token was unnecessarily included in the URL when being redirected to a course they have just restored. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website. This flaw allows an attacker to perform cross-site request forgery attacks.
Vulnerability class: CSRF (Cross-Site Request Forgery)
EPSS: 0.004 (32.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Moodle
- Fedoraproject Fedora — versions 35, 36, 37
- N/a Moodle — versions Fixed in moodle 4.0.5, moodle 3.11.11, moodle 3.9.18
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org
- patrick@puiterwijk.org
- patrick@puiterwijk.org
- patrick@puiterwijk.org (vendor-advisory)
- patrick@puiterwijk.org (vendor-advisory)
- patrick@puiterwijk.org (vendor-advisory)
Frequently asked questions
- What is CVE-2022-45149?
- CVE-2022-45149 is a medium-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2022-11-23.
- How severe is CVE-2022-45149?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2022-45149 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.