CVE-2019-3847

Name: CVE-2019-3847
Creator: NVD / NIST
Published: 2019-03-27T13:29:01.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 2.27%

Last modified Jun 17, 2026

CVE-2019-3847 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A vulnerability was found in moodle before versions 3.6.3, 3.5.5, 3.4.8 and 3.1.17. Users with the "login as other users" capability (such as administrators/managers) can access other users' Dashboards, but the JavaScript those other users may have added to their Dashboard was not being escaped when being viewed by the user logging in on their behalf.. EPSS estimates a 2.27% chance of exploitation in the next 30 days.

Description

A vulnerability was found in moodle before versions 3.6.3, 3.5.5, 3.4.8 and 3.1.17. Users with the "login as other users" capability (such as administrators/managers) can access other users' Dashboards, but the JavaScript those other users may have added to their Dashboard was not being escaped when being viewed by the user logging in on their behalf.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

2.27%

80.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moodle	Moodle	< 3.1.17
Moodle	Moodle	>= 3.4.0, < 3.4.8
Moodle	Moodle	>= 3.5.0, < 3.5.5
Moodle	Moodle	>= 3.6.0, < 3.6.3

References

http://www.securityfocus.com/bid/107489Broken Link, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3847Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=384010#p1547742Patch, Vendor Advisory
http://www.securityfocus.com/bid/107489Broken Link, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3847Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=384010#p1547742Patch, Vendor Advisory

Timeline

Published: Mar 27, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3847?

How severe is CVE-2019-3847?

CVE-2019-3847 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 2.27% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3847?

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-2019-3847?

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

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Source: NVD / NIST