CSRF in Moodle

CVE-2015-5338

Multiple cross-site request forgery (CSRF) vulnerabilities in the lesson module in Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 allow remote attackers to hijack the authentication of arbitrary users for requests to (1) mod/lesson/mediafile.php or (2) mod/lesson/view.php.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-5338: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

  • Moodle — versions 2.7.0, 2.7.1, 2.7.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2015-5338?
CVE-2015-5338 is a high-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-02-22.
How severe is CVE-2015-5338?
High severity. CVSS v3 base score is 8.8 out of 10.