High
Security advisory
A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-16854
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:41 UTC · Revision 1
Source evidence
A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.
osv:CVE-2018-16854
Complete source record
{
"id": "e1b9d39e22ca13bbaf5a10cb75bd8968c209e2c4f9c2627f5eb845482d8aecbb",
"url": "https://osv.dev/vulnerability/CVE-2018-16854",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-16854",
"summary": "A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.",
"evidence": "osv:CVE-2018-16854",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-16854",
"aliases": [
"CVE-2018-16854",
"GHSA-xj5f-qv37-r9jc"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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": "da70ec0cca362afc183ee4c3d00f08f4e99116ec"
},
{
"introduced": "b87a580aa3eb23d5f05d7f619fc40a89e0f86fe5"
},
{
"fixed": "5c5ee48bf6061ce8650445a02b62c124e6a9673e"
},
{
"introduced": "665c3ac59c35b7387a4fc70b8ac6600ce9ffeb87"
},
{
"fixed": "d1e834866e37353bdd82bd8bb92fb26a39f39117"
},
{
"introduced": "46574904afd39578fa4146bf1fc5c401ac680aa6"
},
{
"fixed": "789dcd6975004dfaa2d4d3086267fb29cba84da8"
}
],
"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": "3.1.15"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.0"
},
{
"fixed": "3.3.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.4.0"
},
{
"fixed": "3.4.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.5.0"
},
{
"fixed": "3.5.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.4.5",
"v3.5.2",
"v3.1.14",
"v3.3.8",
"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-2018-16854.json"
}
}
],
"modified": "2026-10-24T10:30:56.977923205Z",
"provider": "osv",
"references": [
"https://moodle.org/mod/forum/discuss.php?d=378731",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16854"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-16854",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438763,
"published_at": "2018-11-26T17:29:00.33+00:00"
}