CVE-2026-54390— JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| JTL Software | JTL Shop | 5.0.0≤ 5.1.8 | unaffected |
5.2.0< 5.4.0 | affected | ||
5.4.0≤ 5.7.1 | affected | ||
5.5.4 | unaffected | ||
5.6.2 | unaffected | ||
5.7.2 | unaffected |
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I. Basic Information for CVE-2026-54390
Vulnerability Information
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Vulnerability Title
JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer
Source: CVE Program / CVE List V5
Vulnerability Description
JTL Shop versions 5.2.0 through 5.7.1 contains a server-side template injection vulnerability that allows unauthenticated attackers to inject malicious template syntax due to unsanitized user-supplied input passed to the Smarty template engine. Attackers can exploit this flaw to read sensitive server-side values such as database credentials and encryption keys, and on versions 5.4.0 through 5.7.1, leverage registered Smarty modifiers including unserialize and file_get_contents to write a webshell to the web root and execute arbitrary commands as the web server user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
JTL Software JTL Shop 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JTL Software JTL Shop是JTL Software公司的一款电商系统软件 JTL Software JTL Shop 5.2.0及之前版本和5.4.0至5.7.1版本存在代码注入漏洞，该漏洞源于未清理用户输入导致服务器端模板注入，攻击者可能读取数据库凭据、加密密钥等敏感信息，在5.4.0至5.7.1版本中还可以写入webshell并执行任意命令。以下版本受到影响：5.2.0及之前版本和5.4.0至5.7.1版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| JTL Software | JTL Shop | 5.0.0 ~ 5.1.8 | - |
II. Public POCs for CVE-2026-54390
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-54390 (1)
Security Blog Posts for CVE-2026-54390 (1)
- 🔗 Unauthenticated remote code execution in JTL Shop | Sansec Read full article technical-description
Vendor Pages for CVE-2026-54390 (1)
IV. Related Vulnerabilities
Same weakness: CWE-1336
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OpenBoxes Template Processing DocumentController.groovy buil - CVE-2026-72827
Grav CMS before 2.0.13 Remote Code Execution via Twig - CVE-2026-13051
Form::Processor::Field::HtmlArea versions from 0.06 through
V. Comments for CVE-2026-54390
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