CVE-2018-14630
Moodle XML import of ddwtos could lead to intentional remote code execution
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2018-14630- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2022-3491
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.
- Record
EUVD-2022-3491- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c3pr-h96w-2jjg
Moodle XML import of ddwtos could lead to intentional remote code execution
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.
- Record
GHSA-c3pr-h96w-2jjg- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2018-14630- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-20, CWE-94
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2018-14630- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-c3pr-h96w-2jjg
Moodle XML import of ddwtos could lead to intentional remote code execution
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.
- Record
GHSA-c3pr-h96w-2jjg- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-14630
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.
- Record
UBUNTU-CVE-2018-14630- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
3.5.0 up to 3.5.2 | 3.5.2 |
moodle/moodlePackagist |
3.4.0 up to 3.4.5 | 3.4.5 |
moodle/moodlePackagist |
3.2.0 up to 3.3.8 | 3.3.8 |
moodle/moodlePackagist |
before 3.1.14 | 3.1.14 |
moodle/moodlePackagist |
3.5.0 up to 3.5.2, plus listed versions v3.5.0v3.5.1 |
3.5.2 |
moodle/moodlePackagist |
3.4.0 up to 3.4.5, plus listed versions v3.4.0v3.4.1v3.4.2v3.4.3v3.4.4 |
3.4.5 |
moodle/moodlePackagist |
3.2.0 up to 3.3.8, plus listed versions v3.2.0v3.2.1v3.2.2v3.2.3v3.2.4 Show 17 moreShow lessv3.2.5v3.2.6v3.2.7v3.2.8v3.2.9v3.3.0v3.3.0-betav3.3.0-rc1v3.3.0-rc2v3.3.0-rc3v3.3.1v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7 |
3.3.8 |
moodle/moodlePackagist |
before 3.1.14, plus listed versions v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6 Show 45 moreShow lessv2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1 |
3.1.14 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-14630 is a high vulnerability (CVSS 8.8) in [unknown] Moodle, published September 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.60%, the 91st percentile. Fixed in moodle/moodle 3.5.2.
References
securityfocus.com/bid/105354
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880
moodle.org/mod/forum/discuss.php?d=376023
seclists.org/fulldisclosure/2018/Sep/28
sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630
Show 12 moreShow less
nvd.nist.gov/vuln/detail/CVE-2018-14630
github.com/moodle/moodle/commit/09cbca8566a388e8f0a1a0cfd86cd0667088ed2c
web.archive.org/web/20200227111301/https://www.securityfocus.com/bid/105354
ubuntu.com/security/CVE-2018-14630
claudiospiess.com/posts/exploiting-moodle
cve.org/CVERecord?id=CVE-2018-14630
Left out here: 83 versions. The JSON record has them.