CVE-2019-3808

Name: CVE-2019-3808
Creator: NVD / NIST
Published: 2019-03-25T18:29:00.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2019-3808 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A flaw was found in Moodle versions 3.6 to 3.6.1, 3.5 to 3.5.3, 3.4 to 3.4.6, 3.1 to 3.1.15 and earlier unsupported versions. The 'manage groups' capability did not have the 'XSS risk' flag assigned to it, but does have that access in certain places. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

A flaw was found in Moodle versions 3.6 to 3.6.1, 3.5 to 3.5.3, 3.4 to 3.4.6, 3.1 to 3.1.15 and earlier unsupported versions. The 'manage groups' capability did not have the 'XSS risk' flag assigned to it, but does have that access in certain places. Note that the capability is intended for use by trusted users, and is only assigned to teachers and managers by default.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.12%

61.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moodle	Moodle	>= 3.1.0, <= 3.1.15
Moodle	Moodle	>= 3.4.0, <= 3.4.6
Moodle	Moodle	>= 3.5.0, <= 3.5.3
Moodle	Moodle	3.6.0
Moodle	Moodle	3.6.1

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64395Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3808Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=381228#p1536765Patch, Vendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64395Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3808Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=381228#p1536765Patch, Vendor Advisory

Timeline

Published: Mar 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3808?

How severe is CVE-2019-3808?

CVE-2019-3808 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3808?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3808?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST