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CVE-2026-39529— WordPress Elementra theme <= 1.0.9 - PHP Object Injection vulnerability

Quick assessment

Affected
ThemeREX Group Elementra
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.

Elementra是themerex公司的一款主题设计和管理软件。 ThemeREX Elementra 1.0.9及之前版本存在反序列化漏洞，该漏洞源于PHP对象注入问题，可能导致未经身份验证的攻击者远程执行恶意对象。

CVSS 9.8 · Critical EPSS 0.56% · P45

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
ThemeREX Group Elementra n/a≤ 1.0.9 affected
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I. Basic Information for CVE-2026-39529

Vulnerability Information
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Vulnerability Title
WordPress Elementra theme <= 1.0.9 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated PHP Object Injection in Elementra <= 1.0.9 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
ThemeREX Elementra 反序列化漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elementra是themerex公司的一款主题设计和管理软件。 ThemeREX Elementra 1.0.9及之前版本存在反序列化漏洞，该漏洞源于PHP对象注入问题，可能导致未经身份验证的攻击者远程执行恶意对象。
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
ThemeREX Group Elementra n/a ~ 1.0.9 -

II. Public POCs for CVE-2026-39529

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III. Intelligence Information for CVE-2026-39529

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Other References for CVE-2026-39529 (1)

Same Patch Batch · ThemeREX Group · 2026-06-16 · 3 CVEs total

CVE-2025-60085 8.1 HIGH WordPress Learnify theme <= 1.15.0 - Local File Inclusion vulnerability
CVE-2025-58924 8.1 HIGH WordPress Geya theme <= 1.15 - Local File Inclusion vulnerability

IV. Related Vulnerabilities

Same vendor: ThemeREX Group
Same weakness: CWE-502

V. Comments for CVE-2026-39529

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