High
Security advisory
osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the "product" page. Remote authenticated administrators can upload new '.htaccess' files (e.g., omitting .php) and subsequently achieve arbitrary PHP code execution via a /catalog/admin/categories.php?cPath=&action=new_product URI.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-18573
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:42 UTC · Revision 1
Source evidence
osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the "product" page. Remote authenticated administrators can upload new '.htaccess' files (e.g., omitting .php) and subsequently achieve arbitrary PHP code execution via a /catalog/admin/categories.php?cPath=&action=new_product URI.
osv:CVE-2018-18573
Complete source record
{
"id": "d5b1658262e3fa4ac7b39f61fbe11dd9e88c23dd53834e6216d2377d7f687c32",
"url": "https://osv.dev/vulnerability/CVE-2018-18573",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-18573",
"summary": "osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the \"product\" page. Remote authenticated administrators can upload new '.htaccess' files (e.g., omitting .php) and subsequently achieve arbitrary PHP code execution via a /catalog/admin/categories.php?cPath=&action=new_product URI.",
"evidence": "osv:CVE-2018-18573",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-18573",
"aliases": [
"CVE-2018-18573"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/oscommerce/oscommerce2",
"type": "GIT",
"events": [
{
"introduced": "94e9e9efe7994bf88d8ade2e64881b4bfe1745d4"
},
{
"last_affected": "94e9e9efe7994bf88d8ade2e64881b4bfe1745d4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:oscommerce:oscommerce:2.3.4.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3.4.1"
},
{
"last_affected": "2.3.4.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.3.4.1",
"v2.3.4.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18573.json"
}
}
],
"modified": "2026-10-24T10:49:38.475855154Z",
"provider": "osv",
"references": [
"https://github.com/osCommerce/oscommerce2/issues/631"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oscommerce:oscommerce:2.3.4.1:*:*:*:*:*:*:*"
],
"vendor_product": "oscommerce:oscommerce",
"extracted_events": [
{
"range": [
{
"introduced": "2.3.4.1"
},
{
"last_affected": "2.3.4.1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-18573",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441783,
"published_at": "2019-08-22T15:15:12.03+00:00"
}