Template Engine Vulnerability in OpenCart by OpenCart
CVE-2026-3714

5.1MEDIUM

Key Information:

Vendor

OpenCart

Status
Opencart
Vendor
CVE Published:
8 March 2026

What is CVE-2026-3714?

A critical security issue has been identified in OpenCart version 4.0.2.3 affecting the Save function within the admin/controller/design/template.php file. This vulnerability is a result of improper neutralization of special elements used in the template engine, which can be exploited by an attacker remotely. Notably, this flaw is linked to an incomplete fix associated with a previous vulnerability (CVE-2024-36694). Despite attempts to notify the vendor of the disclosure, there has been no response.

Affected Version(s)

OpenCart 4.0.2.3

References

https://vuldb.com/?id.349659
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349659
signaturepermissions-required
https://vuldb.com/?submit.765176
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Schlop (VulDB User)
VulDB
.