What is CVE-2022-2986?

CVE-2022-2986 is a high-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-10-06.

How severe is CVE-2022-2986?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-2986 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Moodle

CVE-2022-2986

Enabling and disabling installed H5P libraries did not include the necessary token to prevent a CSRF risk.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2022-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Moodle
Moodle — versions moodle 4.0.3 and moodle 3.11.9

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

jev770/badmoodle-scan

References

bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
git.moodle.org/gw (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-2986?: CVE-2022-2986 is a high-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-10-06.
How severe is CVE-2022-2986?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-2986 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.