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Vulnerability record · CVE-2018-11494 · published 26 May 2018

CVE-2018-11494: Opencart path traversal vulnerability

Opencart · Opencart

The "program extension upload" feature in OpenCart through 3.0.2.0 has a six-step process (upload, install, unzip, move, xml, remove) that allows attackers to execute arbitrary code if the remove step is skipped, because the attacker can discover a secret temporary directory name (containing 10 random digits) via a directory traversal attack involving language_info['code'].

8.0 CVSS 3.0 High EPSS 2.4% · top 16.8% CWE-22 · Path traversalCWE-434 · Unrestricted file upload
8.0CVSS 3.0 base score, v2 6.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The "program extension upload" feature in OpenCart through 3.0.2.0 has a six-step process (upload, install, unzip, move, xml, remove) that allows attackers to execute arbitrary code if the remove step is skipped, because the attacker can discover a secret temporary directory name (containing 10 random digits) via a directory traversal attack involving language_info['code'].

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.bigdiao.cc/2018/05/24/Opencart-v3-0-2-0/ ExploitThird Party Advisory
http://www.bigdiao.cc/2018/05/24/Opencart-v3-0-2-0/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-11494), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.