CVE-2019-3851

mediumpriority · track · 17EPSS 0.009 · 59 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.88% (59th) EPSS

CVSS 4 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · secalert@redhat.com USexploitability 2.8 · impact 1.4

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · OSV

v3.04mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

No weakness (CWE) mapping recorded.

affected products (7)

Products and version ranges known to be affected.

[UNKNOWN] Moodle≤ 3.5.5enisa_euvdEU
[UNKNOWN] Moodle≤ 3.6.3enisa_euvdEU
fedoraproject fedoraall versionsnvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
moodle moodle3.5.0 → 3.5.5nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle3.6.0 → 3.6.3nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Packagist moodle/moodle3.5 → 3.5.5osvUSpkg:composer/moodle/moodle
Packagist moodle/moodle3.6 → 3.6.3osvUSpkg:composer/moodle/moodle

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-pj45-hp8h-289rMoodle Secure layout contained an insecure link in Boost theme2022-05-13ghsa · osvUS
A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org

published 2019-03-26modified 2026-06-17

references (11)

External citations — patches, advisories, analysis.

scry

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