High
Security advisory
In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-13760
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:07 UTC · Revision 1
Source evidence
In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.
osv:CVE-2020-13760
Complete source record
{
"id": "9fb4ad37898e34f225dd339aadb757cb1448709f423f232ac3d5c58d656b1e41",
"url": "https://osv.dev/vulnerability/CVE-2020-13760",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-13760",
"summary": "In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.",
"evidence": "osv:CVE-2020-13760",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-13760",
"aliases": [
"BIT-joomla-2020-13760",
"CVE-2020-13760"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/joomla/joomla-cms",
"type": "GIT",
"events": [
{
"introduced": "0fc3778861fa20c055ea00870c641a06bc692ecb"
},
{
"fixed": "1dceaf228a25100963ee044e7c886244742ca0af"
},
{
"introduced": "011a6f5cc34bcc67338db2d24828fdff5940cbb6"
},
{
"last_affected": "a2c0473a8dceee17d5cd4937c7f939e53138f724"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.1"
},
{
"fixed": "3.9.19"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:-:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-NA"
},
{
"last_affected": "3.7.0-NA"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:alpha1:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-alpha1"
},
{
"last_affected": "3.7.0-alpha1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:alpha2:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-alpha2"
},
{
"last_affected": "3.7.0-alpha2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:beta1:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-beta1"
},
{
"last_affected": "3.7.0-beta1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:beta2:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-beta2"
},
{
"last_affected": "3.7.0-beta2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:beta3:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-beta3"
},
{
"last_affected": "3.7.0-beta3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:beta4:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-beta4"
},
{
"last_affected": "3.7.0-beta4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:rc1:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-rc1"
},
{
"last_affected": "3.7.0-rc1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-rc2"
},
{
"last_affected": "3.7.0-rc2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:rc3:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-rc3"
},
{
"last_affected": "3.7.0-rc3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:joomla:joomla\\!:3.7.0:rc4:*:*:*:*:*:*",
"range": [
{
"introduced": "3.7.0-rc4"
},
{
"last_affected": "3.7.0-rc4"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.7.0-NA",
"3.7.0-alpha1",
"3.7.0-alpha2",
"3.7.0-beta1",
"3.7.0-beta2",
"3.7.0-beta3",
"3.7.0-beta4",
"3.7.0-rc1",
"3.7.0-rc2",
"3.7.0-rc3",
"3.7.0-rc4",
"3.9.19-rc",
"3.9.17-rc",
"3.9.18",
"3.9.17",
"3.9.16",
"3.9.15",
"3.9.15-rc",
"3.9.16-rc",
"3.9.14",
"3.9.14-rc",
"3.9.13",
"3.9.12",
"3.9.13-rc2",
"3.9.13-rc",
"3.9.12-rc",
"3.9.11",
"3.9.10",
"3.9.8",
"3.9.11-rc",
"3.9.9",
"3.9.6",
"3.9.5",
"3.9.9-rc",
"3.9.4",
"3.9.3",
"3.9.7",
"3.9.7-rc",
"3.9.2-rc",
"3.9.1",
"3.9.6-rc2",
"3.9.6-rc",
"3.9.0",
"3.9.0-rc",
"3.9.0-beta4",
"3.9.5-rc",
"3.9.4-rc",
"3.8.11",
"3.9.3-rc",
"3.9.2",
"3.8.8",
"3.9.1-rc",
"3.9.0-rc2",
"3.8.7",
"3.8.12",
"3.9.0-beta3",
"3.9.0-beta2",
"3.9.0-beta",
"3.8.12-rc",
"3.8.11-rc",
"3.8.6",
"3.8.10",
"3.8.9",
"3.8.4",
"3.8.9-rc",
"issues-241-257",
"3.8.8-rc",
"3.8.7-rc",
"3.8.6-rc1",
"3.8.3",
"3.8.3-rc",
"3.8.5",
"3.8.5-rc",
"3.8.4-rc2",
"3.8.4-rc",
"3.8.2",
"3.8.1",
"3.8.0",
"3.8.2-rc",
"3.8.1-rc",
"3.8.0-rc1",
"3.8.0-beta2",
"3.8.0-beta4",
"3.8.0-beta1",
"3.8.0-beta3",
"3.7.4-rc1",
"3.7.4-beta1",
"3.7.3",
"3.7.3-rc2",
"3.7.3-rc1",
"3.7.3-beta1",
"3.7.2",
"3.7.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13760.json"
}
}
],
"modified": "2026-10-24T10:30:35.709624135Z",
"provider": "osv",
"references": [
"https://developer.joomla.org/security-centre/817-20200605-core-csrf-in-com-postinstall"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-13760",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433809,
"published_at": "2020-06-02T20:15:10.713+00:00"
}