Medium
Security advisory
In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-1043
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:33 UTC · Revision 1
Source evidence
In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.
osv:CVE-2018-1043
Complete source record
{
"id": "d0164d6dfdefe3cab03c05052e8783ffa73c989dd3c5ff7a2effd11ecce2b4af",
"url": "https://osv.dev/vulnerability/CVE-2018-1043",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-1043",
"summary": "In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.",
"evidence": "osv:CVE-2018-1043",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-1043",
"aliases": [
"CVE-2018-1043",
"GHSA-hpwm-84h5-vqr8"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/moodle/moodle",
"type": "GIT",
"events": [
{
"introduced": "b182239f21c38ea57cddb41b0c03ef3eb02709f8"
},
{
"last_affected": "665c3ac59c35b7387a4fc70b8ac6600ce9ffeb87"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.1"
},
{
"last_affected": "3.2.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.2"
},
{
"last_affected": "3.2.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.3"
},
{
"last_affected": "3.2.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.4"
},
{
"last_affected": "3.2.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.5"
},
{
"last_affected": "3.2.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.2.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.6"
},
{
"last_affected": "3.2.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.3.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.0"
},
{
"last_affected": "3.3.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.3.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.1"
},
{
"last_affected": "3.3.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.3.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.2"
},
{
"last_affected": "3.3.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.3.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3.3"
},
{
"last_affected": "3.3.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:moodle:moodle:3.4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.4.0"
},
{
"last_affected": "3.4.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.2.0",
"3.2.1",
"3.2.2",
"3.2.3",
"3.2.4",
"3.2.5",
"3.2.6",
"3.3.0",
"3.3.1",
"3.3.2",
"3.3.3",
"3.4.0",
"v3.4.0",
"v3.4.0-rc2",
"v3.4.0-rc3",
"v3.4.0-rc1",
"v3.4.0-beta",
"v3.3.0",
"v3.3.0-rc3",
"v3.3.0-rc2",
"v3.3.0-rc1",
"v3.3.0-beta",
"v3.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1043.json"
}
}
],
"modified": "2026-10-24T10:30:30.448524233Z",
"provider": "osv",
"references": [
"https://moodle.org/mod/forum/discuss.php?d=364382"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-1043",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432577,
"published_at": "2018-01-22T08:29:00.287+00:00"
}