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CVE-2026-81283— WordPress WP User Frontend plugin <= 4.3.10 - PHP Object Injection vulnerability

Quick assessment

Affected
weDevs WP User Frontend
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.

WordPress User Frontend是WordPress基金会的一款面向网站用户的前端管理组件。 WordPress User Frontend 4.3.10及之前版本存在反序列化注入漏洞，该漏洞源于容易受到PHP对象注入攻击。

CVSS 8.8 · High EPSS 0.52% · P44

Affected Version Matrix 1

VendorProduct Version RangeStatus
weDevs WP User Frontend n/a≤ 4.3.10 affected
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I. Basic Information for CVE-2026-81283

Vulnerability Information
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Vulnerability Title
WordPress WP User Frontend plugin <= 4.3.10 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Subscriber PHP Object Injection in WP User Frontend <= 4.3.10 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
WordPress User Frontend 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress User Frontend是WordPress基金会的一款面向网站用户的前端管理组件。 WordPress User Frontend 4.3.10及之前版本存在反序列化注入漏洞，该漏洞源于容易受到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
weDevs WP User Frontend n/a ~ 4.3.10 -

II. Public POCs for CVE-2026-81283

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III. Intelligence Information for CVE-2026-81283

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Vendor Advisories for CVE-2026-81283 (1)

IV. Related Vulnerabilities

Same product: WP User Frontend
Same vendor: weDevs
Same weakness: CWE-502