UBUNTU-CVE-2020-11026 (CVE-2020-11026)
Vulnerability from osv_ubuntu – Published: 2020-04-30 23:15 – Updated: 2026-05-20 14:52 – Source websiteIn affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "4.4.2+dfsg-1ubuntu1"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "4.4.2+dfsg-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentyfifteen",
"binary_version": "4.4.2+dfsg-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentyfourteen",
"binary_version": "4.4.2+dfsg-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentysixteen",
"binary_version": "4.4.2+dfsg-1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@4.4.2+dfsg-1ubuntu1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.3+dfsg-1",
"4.3.1+dfsg-1",
"4.4+dfsg-1",
"4.4.1+dfsg-1",
"4.4.2+dfsg-1",
"4.4.2+dfsg-1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "4.9.5+dfsg1-1"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "4.9.5+dfsg1-1"
},
{
"binary_name": "wordpress-theme-twentyfifteen",
"binary_version": "4.9.5+dfsg1-1"
},
{
"binary_name": "wordpress-theme-twentyseventeen",
"binary_version": "4.9.5+dfsg1-1"
},
{
"binary_name": "wordpress-theme-twentysixteen",
"binary_version": "4.9.5+dfsg1-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@4.9.5+dfsg1-1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.8.2+dfsg-2",
"4.8.3+dfsg-1",
"4.9.1+dfsg-1",
"4.9.2+dfsg-1",
"4.9.4+dfsg-1",
"4.9.5+dfsg1-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "5.3.2+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "5.3.2+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentynineteen",
"binary_version": "5.3.2+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentyseventeen",
"binary_version": "5.3.2+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentysixteen",
"binary_version": "5.3.2+dfsg1-1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@5.3.2+dfsg1-1ubuntu1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.2.2+dfsg1-1",
"5.2.4+dfsg1-1",
"5.3.2+dfsg1-1",
"5.3.2+dfsg1-1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "5.8.3+dfsg1-1ubuntu1.1"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "5.8.3+dfsg1-1ubuntu1.1"
},
{
"binary_name": "wordpress-theme-twentynineteen",
"binary_version": "5.8.3+dfsg1-1ubuntu1.1"
},
{
"binary_name": "wordpress-theme-twentytwenty",
"binary_version": "5.8.3+dfsg1-1ubuntu1.1"
},
{
"binary_name": "wordpress-theme-twentytwentyone",
"binary_version": "5.8.3+dfsg1-1ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@5.8.3+dfsg1-1ubuntu1.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.7.1+dfsg1-2ubuntu1",
"5.8.1+dfsg1-2ubuntu1",
"5.8.2+dfsg1-1ubuntu1",
"5.8.3+dfsg1-1ubuntu1",
"5.8.3+dfsg1-1ubuntu1.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "6.4.3+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "6.4.3+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentytwentyfour",
"binary_version": "6.4.3+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentytwentythree",
"binary_version": "6.4.3+dfsg1-1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentytwentytwo",
"binary_version": "6.4.3+dfsg1-1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@6.4.3+dfsg1-1ubuntu1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.2+dfsg1-1ubuntu1",
"6.4.3+dfsg1-1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "6.7.2+dfsg1-1.1ubuntu1"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "6.7.2+dfsg1-1.1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentytwentyfive",
"binary_version": "6.7.2+dfsg1-1.1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentytwentyfour",
"binary_version": "6.7.2+dfsg1-1.1ubuntu1"
},
{
"binary_name": "wordpress-theme-twentytwentythree",
"binary_version": "6.7.2+dfsg1-1.1ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@6.7.2+dfsg1-1.1ubuntu1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.7.2+dfsg1-1.1ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "wordpress",
"binary_version": "6.7.2+dfsg1-1.1ubuntu2"
},
{
"binary_name": "wordpress-l10n",
"binary_version": "6.7.2+dfsg1-1.1ubuntu2"
},
{
"binary_name": "wordpress-theme-twentytwentyfive",
"binary_version": "6.7.2+dfsg1-1.1ubuntu2"
},
{
"binary_name": "wordpress-theme-twentytwentyfour",
"binary_version": "6.7.2+dfsg1-1.1ubuntu2"
},
{
"binary_name": "wordpress-theme-twentytwentythree",
"binary_version": "6.7.2+dfsg1-1.1ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "wordpress",
"purl": "pkg:deb/ubuntu/wordpress@6.7.2+dfsg1-1.1ubuntu2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.7.2+dfsg1-1.1ubuntu1",
"6.7.2+dfsg1-1.1ubuntu2"
]
}
],
"aliases": [],
"details": "In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).",
"id": "UBUNTU-CVE-2020-11026",
"modified": "2026-05-20T14:52:04Z",
"published": "2020-04-30T23:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-11026"
},
{
"type": "REPORT",
"url": "https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2"
},
{
"type": "REPORT",
"url": "https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-11026"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-11026"
]
}
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| Author | Source | Type | Date | Other |
|---|
Nomenclature
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