CVE-2018-14630

Name: CVE-2018-14630
Creator: NVD / NIST
Published: 2018-09-17T18:29:00.497+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.42%

Last modified Jun 17, 2026

CVE-2018-14630 is a vulnerability of currently unknown severity. moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.. EPSS estimates a 4.42% chance of exploitation in the next 30 days.

Description

moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.

Metrics

EPSS Probability

4.42%

90.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moodle	Moodle	<= 3.0.10
Moodle	Moodle	>= 3.1.0, < 3.1.14
Moodle	Moodle	>= 3.3.0, < 3.3.8
Moodle	Moodle	>= 3.4.0, < 3.4.5
Moodle	Moodle	>= 3.5.0, < 3.5.2

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880Patch, Vendor Advisory
http://www.securityfocus.com/bid/105354Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=376023Patch, Vendor Advisory
https://seclists.org/fulldisclosure/2018/Sep/28Exploit, Mailing List, Third Party Advisory
https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/Exploit, Third Party Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880Patch, Vendor Advisory
http://www.securityfocus.com/bid/105354Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630Issue Tracking, Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=376023Patch, Vendor Advisory
https://seclists.org/fulldisclosure/2018/Sep/28Exploit, Mailing List, Third Party Advisory
https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/Exploit, Third Party Advisory

Timeline

Published: Sep 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14630?

How severe is CVE-2018-14630?

Severity scoring for CVE-2018-14630 is pending analysis. The EPSS model estimates a 4.42% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14630?

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-2018-14630?

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

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Source: NVD / NIST