CVE-2025-39354— WordPress Grand Conference theme <= 5.3 - PHP Object Injection vulnerability
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I. Basic Information for CVE-2025-39354
Vulnerability Information
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Vulnerability Title
WordPress Grand Conference theme <= 5.3 - PHP Object Injection vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Conference grandconference allows Object Injection.This issue affects Grand Conference: from n/a through <= 5.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Grand Conference 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Grand Conference 5.2及之前版本存在代码问题漏洞，该漏洞源于反序列化不可信数据，可能导致对象注入。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ThemeGoods | Grand Conference | 0 ~ 5.3 | - |
II. Public POCs for CVE-2025-39354
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · ThemeGoods · 2025-05-19 · 7 CVEs total
| CVE-2025-39348 | 9.8 CRITICAL | WordPress Grand Restaurant WordPress theme <= 7.0 - PHP Object Injection vulnerability |
| CVE-2025-32928 | 9.8 CRITICAL | WordPress Altair theme <= 5.2.2 - PHP Object Injection vulnerability |
| CVE-2025-32926 | 9.8 CRITICAL | WordPress Grand Restaurant WordPress theme <= 7.0 - Path Traversal to PHP Object Injection |
| CVE-2025-39352 | 8.2 HIGH | WordPress Grand Restaurant WordPress theme <= 7.0 - Arbitrary Options Deletion vulnerabili |
| CVE-2025-39353 | 5.3 MEDIUM | WordPress Grand Restaurant WordPress theme <= 7.0 - Broken Access Control vulnerability |
| CVE-2025-39351 | 4.3 MEDIUM | WordPress Grand Restaurant WordPress theme <= 7.0 - Cross Site Request Forgery (CSRF) vuln |
IV. Related Vulnerabilities
Same vendor: ThemeGoods
- CVE-2026-39635
WordPress Grand Magazine theme <= 3.5.5 - Cross Site Request - CVE-2026-39632
WordPress Grand Blog theme <= 3.1 - Cross Site Request Forge - CVE-2026-39634
WordPress Grand Portfolio theme <= 3.3 - Cross Site Request - CVE-2026-39633
WordPress Grand Car Rental theme <= 3.6.9 - Cross Site Reque - CVE-2026-39603
WordPress Grand Photography theme <= 5.7.8 - Cross Site Requ
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2025-39354
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