High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-14630
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:27 UTC · Revision 1
Source evidence
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.
osv:CVE-2018-14630
Complete source record
{
"id": "080a86cbc7b14500baf5f07ecb49d3863f80c91d8bd243c436578dfbbc76b4da",
"url": "https://osv.dev/vulnerability/CVE-2018-14630",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-14630",
"summary": "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.",
"evidence": "osv:CVE-2018-14630",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-14630",
"aliases": [
"CVE-2018-14630",
"GHSA-c3pr-h96w-2jjg"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/moodle/moodle",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "0bd0ee444a07818fc495c95697ea1ec1a6abeefb"
},
{
"introduced": "268abfacc54c4cbf9722c1502569b311c7caefff"
},
{
"fixed": "b45c238223be0de8690f066f9c1319c220233782"
},
{
"introduced": "b87a580aa3eb23d5f05d7f619fc40a89e0f86fe5"
},
{
"fixed": "c37329dc106377ac4e1b7cf4603361df0fd63b48"
},
{
"introduced": "665c3ac59c35b7387a4fc70b8ac6600ce9ffeb87"
},
{
"fixed": "28f6460de388d77d95112e58463c04e69be5e208"
},
{
"introduced": "46574904afd39578fa4146bf1fc5c401ac680aa6"
},
{
"fixed": "bd27666c42be0c873c7d98f0e81cb226d2ca6dbd"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.0.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.1.0"
},
{
"fixed": "3.1.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.0"
},
{
"fixed": "3.3.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.4.0"
},
{
"fixed": "3.4.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.5.0"
},
{
"fixed": "3.5.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.1.13",
"v3.3.7",
"v3.4.4",
"v3.5.1",
"v3.4.3",
"v3.5.0",
"v3.3.6",
"v3.1.12",
"v3.1.11",
"v3.4.2",
"v3.3.5",
"v3.4.1",
"v3.3.4",
"v3.1.10",
"v3.4.0",
"v3.1.9",
"v3.3.3",
"v3.1.8",
"v3.3.2",
"v3.3.1",
"v3.1.7",
"v3.1.6",
"v3.3.0",
"v3.0.10",
"v3.0.9",
"v3.1.5",
"v3.0.8",
"v3.1.4",
"v3.1.3",
"v3.0.7",
"v3.1.2",
"v3.0.6",
"v3.1.1",
"v3.0.5",
"v3.1.0",
"v3.0.4",
"v3.0.3",
"v3.0.1",
"v3.0.0-rc3",
"v3.0.0",
"v3.0.0-rc4",
"v3.0.0-rc2",
"v3.0.0-rc1",
"v3.0.0-beta",
"v2.9.0",
"v2.9.0-rc2",
"v2.9.0-rc1",
"v2.9.0-beta",
"v2.8.0",
"v2.8.0-rc2",
"v2.8.0-rc1",
"v2.8.0-beta",
"v2.7.0",
"v2.7.0-rc2",
"v2.7.0-rc1",
"v2.7.0-beta",
"v2.6.0",
"v2.6.0-rc1",
"v2.6.0-beta",
"v2.5.0",
"v2.5.0-rc1",
"v2.5.0-beta",
"v2.4.0-beta",
"v2.4.0-rc1",
"v2.4.0",
"v2.3.0",
"v2.3.0-rc1",
"v2.3.0-beta",
"v2.2.0",
"v2.2.0-rc1",
"v2.2.0-beta",
"v2.1.0",
"v2.0.1",
"v2.0.0",
"v2.0.0-rc2",
"v2.0.0-rc1",
"v1.3.0",
"v1.2.1",
"v1.2.0",
"v1.1.1",
"v1.1.0",
"v1.0.9",
"v1.0.8",
"v1.0.7",
"v1.0.6",
"v1.0.5",
"v1.0.4",
"v1.0.3",
"v1.0.2",
"v1.0.1",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14630.json"
}
}
],
"modified": "2026-10-24T10:30:53.594146611Z",
"provider": "osv",
"references": [
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630",
"https://moodle.org/mod/forum/discuss.php?d=376023",
"https://seclists.org/fulldisclosure/2018/Sep/28",
"https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-14630",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437963,
"published_at": "2018-09-17T18:29:00.497+00:00"
}