OpenCart extensions are uploaded as zip files with .ocmod.zip extensions. Upon installation, the OpenCart v4.2.0.0 extension installer extracts these zip files, but does not validate that the extracted paths stay inside the intended extraction directory. An attacker can craft a malicious extension containing file path traversal sequences, such as ../. With this vulnerability, an attacker can write files, such as a PHP web shell, into the webroot directory.
Metrics
Affected Vendors & Products
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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.
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References
| Link | Providers |
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| https://kb.cert.org/vuls/id/614868 |
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History
Mon, 10 Aug 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-22 |
Mon, 10 Aug 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenCart extensions are uploaded as zip files with .ocmod.zip extensions. Upon installation, the OpenCart v4.2.0.0 extension installer extracts these zip files, but does not validate that the extracted paths stay inside the intended extraction directory. An attacker can craft a malicious extension containing file path traversal sequences, such as ../. With this vulnerability, an attacker can write files, such as a PHP web shell, into the webroot directory. | |
| Title | The OpenCart v4.2.0.0 extension installer contains a directory traversal vulnerability | |
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MITRE
Status: PUBLISHED
Assigner: certcc
Published:
Updated: 2026-08-10T16:17:43.178Z
Reserved: 2026-07-30T17:19:22.540Z
Link: CVE-2026-18412
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-08-10T18:45:17Z