CSRF in Moodle

CVE-2016-3734

Cross-site request forgery (CSRF) vulnerability in markposts.php in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13 and earlier allows remote attackers to hijack the authentication of users for requests that marks forum posts as read.

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: 0.011 (65.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% 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-2016-3734: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · 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-2016-3734?
CVE-2016-3734 is a high-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2017-04-20.
How severe is CVE-2016-3734?
High severity. CVSS v3 base score is 8.8 out of 10.