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CVE-2026-44377— CubeCart: Server-Side Template Injection (SSTI) in Smarty Templates leading to RCE

Quick assessment

Affected
cubecart v6
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CubeCart是CubeCart开源的一个电子商务软件。 CubeCart 6.7.0之前版本存在代码注入漏洞，该漏洞源于多个模块中不安全的服务器端模板注入，应用程序直接通过Smarty模板引擎评估用户输入，允许经过身份验证的管理员调用原生PHP函数。

CVSS 9.1 · Critical EPSS 0.96% · P60

Affected Version Matrix 1

VendorProduct Version RangeStatus
cubecart v6 < 6.7.0 affected
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I. Basic Information for CVE-2026-44377

Vulnerability Information
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Vulnerability Title
CubeCart: Server-Side Template Injection (SSTI) in Smarty Templates leading to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
CubeCart is an ecommerce software solution. Prior to 6.7.0, an Authenticated Server-Side Template Injection (SSTI) vulnerability exists in multiple modules of CubeCart (including Email Templates and Documents). The application unsafely evaluates user-supplied input directly through the Smarty template engine. By leveraging this, an authenticated attacker with administrative privileges can bypass current restrictions and call native PHP functions within the templates, such as readgzfile() to read sensitive configuration files, or error_log() to write a malicious PHP web shell, ultimately achieving Information Disclosure and full Remote Code Execution (RCE). This vulnerability is fixed in 6.7.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
CubeCart 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CubeCart是CubeCart开源的一个电子商务软件。 CubeCart 6.7.0之前版本存在代码注入漏洞，该漏洞源于多个模块中不安全的服务器端模板注入，应用程序直接通过Smarty模板引擎评估用户输入，允许经过身份验证的管理员调用原生PHP函数。
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
cubecart v6 < 6.7.0 -

II. Public POCs for CVE-2026-44377

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7268 chars
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III. Intelligence Information for CVE-2026-44377

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Patches & Fixes for CVE-2026-44377 (1)

Vendor Advisories for CVE-2026-44377 (1)

Same Patch Batch · cubecart · 2026-05-13 · 9 CVEs total

CVE-2026-45053 9.1 CRITICAL CubeCart: Authenticated Arbitrary File Upload to RCE in REST Files API
CVE-2026-45714 9.1 CRITICAL CubeCart: Server-Side Template Injection (SSTI) in Smarty Templates leading to RCE
CVE-2026-45055 8.1 HIGH CubeCart: Pre-Authenticated Password Reset Link Poisoning via HTTP Host Header
CVE-2026-45708 7.2 HIGH CubeCart: Authenticated RCE via Invoice Template → Order Print
CVE-2026-39358 7.2 HIGH CubeCart: Time-based Blind SQL Injection
CVE-2026-44376 6.1 MEDIUM CubeCart: Reflected XSS in Store Search Bar
CVE-2026-45054 4.9 MEDIUM CubeCart: Authenticated SQL Injection via `sort[]` Parameter in Admin Orders Transactions
CVE-2026-39428 4.8 MEDIUM CubeCart: Stored Cross-Site Scripting (XSS)

IV. Related Vulnerabilities

Same product: v6
Same vendor: cubecart
Same weakness: CWE-94

V. Comments for CVE-2026-44377

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