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CVE-2026-84437— OpenCart Autocomplete Workflow address.php cross site scripting

Quick assessment

Affected
n/a OpenCart
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenCart是OpenCart公司开源的一款电商系统组件。 OpenCart 4.1.0.3版本和4.1.0.4版本存在安全漏洞，该漏洞源于Autocomplete Workflow组件中catalog/controller/account/address.php文件对address_1参数的错误操作，容易受到跨站脚本攻击。

CVSS 3.5 · Low EPSS 0.33% · P25

Possible ATT&CK Techniques 1 AI

T1189.003

Affected Version Matrix 2

VendorProduct Version RangeStatus
n/a OpenCart 4.1.0.3 affected
4.1.0.4 affected
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I. Basic Information for CVE-2026-84437

Vulnerability Information
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Vulnerability Title
OpenCart Autocomplete Workflow address.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in OpenCart 4.1.0.3/4.1.0.4. The impacted element is an unknown function of the file catalog/controller/account/address.php of the component Autocomplete Workflow. The manipulation of the argument address_1 results in cross site scripting. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenCart 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCart是OpenCart公司开源的一款电商系统组件。 OpenCart 4.1.0.3版本和4.1.0.4版本存在安全漏洞，该漏洞源于Autocomplete Workflow组件中catalog/controller/account/address.php文件对address_1参数的错误操作，容易受到跨站脚本攻击。
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
- OpenCart 4.1.0.3 cpe:2.3:a:opencart:opencart:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84437

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III. Intelligence Information for CVE-2026-84437

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Proof of Concept for CVE-2026-84437 (1)

Other References for CVE-2026-84437 (3)

Same Patch Batch · n/a · 2026-09-02 · 4 CVEs total

CVE-2026-84441 7.3 HIGH Piwigo Image Derivative i.php path traversal
CVE-2026-84430 6.3 MEDIUM gouguoa edit_personal Endpoint Index.php update dynamically-determined object attributes
CVE-2026-84438 3.5 LOW OpenCart Autocomplete Workflow edit.php cross site scripting

IV. Related Vulnerabilities

Same product: OpenCart
Same vendor: n/a
Same weakness: CWE-79

V. Comments for CVE-2026-84437

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