Opencart
CVE-2026-3714
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input filtering completeness
|
| Impact | CVSS 4.7 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: High. User interaction: None. Exploitation requires authentication. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker (requires authentication) could exploit this flaw, improper neutralization of special elements used in a templa. |
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Alert meAnalysisAIv1 – Mar 12, 2026
OpenCart 4.0.2.3 contains an incomplete fix for a template injection vulnerability in the admin template controller that allows high-privileged attackers to inject malicious code through improper neutralization of special template elements. An authenticated administrator can exploit this flaw to achieve arbitrary code execution on the affected system. No patch is currently available, and the vendor has not responded to disclosure attempts.
Earlier versions of this analysis (1)
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. [CVSS 4.7 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Affects Opencart. 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.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
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.
Executive ViewAI
Organizations using A vulnerability should be aware of moderate risk from CVE-2026-3714 rated CVSS 4.7. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Affected Products (CPE)CVE.org
OpenCart CMS v4.0.2.2 was discovered to lack a protective mechanism on its login page against excessive login attempts,
OpenCart 3.0.3.8 contains a session fixation vulnerability that allows attackers to hijack user sessions by injecting ar
OpenCart Core 4.0.2.3 contains a SQL injection vulnerability that allows unauthenticated attackers to manipulate databas
An issue discovered in OpenCart 4.0.0.0 to 4.0.2.3 allows authenticated backend users having common/security write privi
Path Traversal in OpenCart versions 4.0.0.0 to 4.0.2.2 allows an authenticated user with access/modify privilege on the
/upload/catalog/controller/account/password.php in OpenCart through 3.0.2.0 has CSRF via the index.php?route=account/pas
This affects versions of the package opencart/opencart from 0.0.0. Rated high severity (CVSS 8.1), this vulnerability is
The "program extension upload" feature in OpenCart through 3.0.2.0 has a six-step process (upload, install, unzip, move,
SQL injection vulnerability in the updateAmazonOrderTracking function in upload/admin/model/openbay/amazon.php in OpenCa
OpenCart 4.0.2.3 is vulnerable to Server-Side Template Injection (SSTI) via the Theme Editor Function. Rated high severi
This affects versions of the package opencart/opencart from 4.0.0.0. Rated high severity (CVSS 7.2), this vulnerability
This affects versions of the package opencart/opencart from 4.0.0.0. Rated high severity (CVSS 7.2), this vulnerability
GitHub PoC
Exploit-DB