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CVE-2026-39443— WordPress EmallShop theme <= 2.4.21 - PHP Object Injection vulnerability

Quick assessment

Affected
PressLayouts EmallShop
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.

presslayouts EmallShop是presslayouts公司的一个电商系统。 presslayouts EmallShop 2.4.21及之前版本存在反序列化漏洞，该漏洞源于未经身份验证的PHP对象注入攻击。

CVSS 8.1 · High EPSS 0.31% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
PressLayouts EmallShop n/a≤ 2.4.21 affected
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I. Basic Information for CVE-2026-39443

Vulnerability Information
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Vulnerability Title
WordPress EmallShop theme <= 2.4.21 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated PHP Object Injection in EmallShop <= 2.4.21 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
presslayouts EmallShop 反序列化漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
presslayouts EmallShop是presslayouts公司的一个电商系统。 presslayouts EmallShop 2.4.21及之前版本存在反序列化漏洞，该漏洞源于未经身份验证的PHP对象注入攻击。
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
PressLayouts EmallShop n/a ~ 2.4.21 -

II. Public POCs for CVE-2026-39443

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III. Intelligence Information for CVE-2026-39443

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Vendor Advisories for CVE-2026-39443 (1)

IV. Related Vulnerabilities

Same vendor: PressLayouts
Same weakness: CWE-502