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5.1

OpenCart Template Engine Vulnerability Allows Remote Attack

CVE-2026-3714
Summary

OpenCart version 4.0.2.3 has a vulnerability in its template engine that can be exploited by an attacker from a remote location. This could potentially allow an attacker to manipulate the way templates are processed, which could lead to security issues. Users should update to the latest version of OpenCart to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
opencart opencart 4.0.2.3 –
Original title
A vulnerability has been found in OpenCart 4.0.2.3. Affected by this issue is the function Save of the file admin/controller/design/template.php of the component Incomplete Fix CVE-2024-36694. Such...
Original description
A vulnerability has been found in OpenCart 4.0.2.3. Affected by this issue is the function Save of the file admin/controller/design/template.php of the component Incomplete Fix CVE-2024-36694. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.
nvd CVSS2.0 5.8
nvd CVSS3.1 4.7
nvd CVSS4.0 5.1
Vulnerability type
CWE-791
CWE-1336
Published: 8 Mar 2026 · Updated: 13 Mar 2026 · First seen: 8 Mar 2026