High
Security advisory
Magento versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper access control vulnerability within Magento's Media Gallery Upload workflow. By storing a specially crafted file in the website gallery, an authenticated attacker with administrative privilege can gain access to delete the .htaccess file. This could result in the attacker achieving remote code execution.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-36036
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:14 UTC · Revision 1
Source evidence
Magento versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper access control vulnerability within Magento's Media Gallery Upload workflow. By storing a specially crafted file in the website gallery, an authenticated attacker with administrative privilege can gain access to delete the .htaccess file. This could result in the attacker achieving remote code execution.
osv:CVE-2021-36036
Complete source record
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"id": "c426dcc737bab2060545e9a3914235be9be959466c4e0b0d2555842aee772630",
"url": "https://osv.dev/vulnerability/CVE-2021-36036",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-36036",
"summary": "Magento versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper access control vulnerability within Magento's Media Gallery Upload workflow. By storing a specially crafted file in the website gallery, an authenticated attacker with administrative privilege can gain access to delete the .htaccess file. This could result in the attacker achieving remote code execution.",
"evidence": "osv:CVE-2021-36036",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-36036",
"aliases": [
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"CVE-2021-36036",
"GHSA-wqr6-wv6c-p8fx"
],
"metrics": [
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"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
}
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{
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],
"versions": [
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"2.4.2-NA",
"2.4.2-p1",
"2.2.0-RC1.3",
"2.2.0-RC1.2",
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"2.1.0-rc2",
"2.1.0-rc1",
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"0.74.0-beta1",
"0.42.0-beta3",
"0.1.0-alpha108",
"0.42.0-beta1",
"0.1.0-alpha107",
"0.1.0-alpha106",
"0.1.0-alpha105",
"0.1.0-alpha104",
"0.1.0-alpha103",
"0.1.0-alpha102",
"0.1.0-alpha101",
"0.1.0-alpha100",
"0.1.0-alpha99",
"0.1.0-alpha98",
"0.1.0-alpha97",
"0.1.0-alpha96",
"0.1.0-alpha95",
"0.1.0-alpha94",
"0.1.0-alpha93",
"0.1.0-alpha92",
"0.1.0-alpha91",
"0.1.0-alpha90",
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],
"modified": "2026-10-24T10:30:50.605283300Z",
"provider": "osv",
"references": [
"https://helpx.adobe.com/security/products/magento/apsb21-64.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
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"vendor_product": "magento:magento",
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},
"related_cves": [
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"value": "CVE-2021-36036",
"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437285,
"published_at": "2023-09-06T14:15:09.11+00:00"
}