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CVE-2026-42458— Magento LTS: Reflected XSS - Import -> Data Flow (profiles)

Quick assessment

Affected
OpenMage magento-lts
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.

magento-lts是OpenMage开源的一个用于Magento CE官方版本的可靠替代品。 magento-lts 20.18.0之前版本存在安全漏洞，该漏洞源于管理面板系统导入导出数据流配置文件存在反射型跨站脚本漏洞。

AI Predicted 6.1 Difficulty: Easy EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenMage magento-lts < 20.18.0 affected
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I. Basic Information for CVE-2026-42458

Vulnerability Information
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Vulnerability Title
Magento LTS: Reflected XSS - Import -> Data Flow (profiles)
Source: CVE Program / CVE List V5
Vulnerability Description
Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to 20.18.0, there is a reflected XSS vulnerability under admin panel -> System -> Import/Export -> Dataflow - Profiles. This vulnerability is fixed in 20.18.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
替代XSS语法转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
magento-lts 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
magento-lts是OpenMage开源的一个用于Magento CE官方版本的可靠替代品。 magento-lts 20.18.0之前版本存在安全漏洞，该漏洞源于管理面板系统导入导出数据流配置文件存在反射型跨站脚本漏洞。
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
OpenMage magento-lts < 20.18.0 -

II. Public POCs for CVE-2026-42458

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III. Intelligence Information for CVE-2026-42458

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Vendor Advisories for CVE-2026-42458 (1)

Same Patch Batch · OpenMage · 2026-05-15 · 3 CVEs total

CVE-2026-42207 6.1 MEDIUM Magento LTS: Open Redirect via Unvalidated `uenc` Parameter in `stockAction()` - magento-l
CVE-2026-42155 Magento LTS: Weak API Session ID — Predictable MD5 of Time-Derived Inputs

IV. Related Vulnerabilities

Same product: magento-lts
Same vendor: OpenMage
Same weakness: CWE-87

V. Comments for CVE-2026-42458

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