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CVE-2026-73397— WordPress Youzify plugin <= 1.3.7 - Deserialization of untrusted data vulnerability

Quick assessment

Affected
Youzify Youzify
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.

Youzify是Youzify组织的一款为CMS系统提供社交功能的插件。 Youzify 1.3.7及之前版本存在反序列化注入漏洞，该漏洞源于对不可信数据的反序列化操作，未经身份验证的攻击者可能利用该漏洞执行任意代码。

CVSS 9.8 · Critical EPSS 0.39% · P31

Affected Version Matrix 1

VendorProduct Version RangeStatus
Youzify Youzify n/a≤ 1.3.7 affected
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I. Basic Information for CVE-2026-73397

Vulnerability Information
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Vulnerability Title
WordPress Youzify plugin <= 1.3.7 - Deserialization of untrusted data vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Deserialization of untrusted data in Youzify <= 1.3.7 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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
Youzify 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Youzify是Youzify组织的一款为CMS系统提供社交功能的插件。 Youzify 1.3.7及之前版本存在反序列化注入漏洞，该漏洞源于对不可信数据的反序列化操作，未经身份验证的攻击者可能利用该漏洞执行任意代码。
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
Youzify Youzify n/a ~ 1.3.7 -

II. Public POCs for CVE-2026-73397

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III. Intelligence Information for CVE-2026-73397

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IV. Related Vulnerabilities

Same product: Youzify
Same vendor: Youzify
Same weakness: CWE-502

V. Comments for CVE-2026-73397

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