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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| OpenCart | OpenCart | affected |
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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://kb.cert.org/vuls/id/614868 |
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History
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 | |
| References |
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Projects
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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
No data.
NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses
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