CVE-2026-27414— WordPress Werkstatt theme <= 4.8.3 - PHP Object Injection vulnerability
Quick assessment
Affected
Fuelthemes Werkstatt
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.
Fuelthemes Werkstatt是Fuelthemes团队的一款内容管理系统的组件。 Fuelthemes Werkstatt 4.8.3及之前版本存在反序列化注入漏洞，该漏洞源于PHP对象注入问题，可能导致攻击者执行恶意操作。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Fuelthemes | Werkstatt | n/a≤ 4.8.3 |
affected |
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I. Basic Information for CVE-2026-27414
Vulnerability Information
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Vulnerability Title
WordPress Werkstatt theme <= 4.8.3 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor PHP Object Injection in Werkstatt <= 4.8.3 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
Fuelthemes Werkstatt 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fuelthemes Werkstatt是Fuelthemes团队的一款内容管理系统的组件。 Fuelthemes Werkstatt 4.8.3及之前版本存在反序列化注入漏洞，该漏洞源于PHP对象注入问题，可能导致攻击者执行恶意操作。
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 |
|---|---|---|---|---|
| Fuelthemes | Werkstatt | n/a ~ 4.8.3 | - |
|
II. Public POCs for CVE-2026-27414
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Fuelthemes · 2026-07-02 · 3 CVEs total
| CVE-2026-57690 | 4.3 MEDIUM | WordPress Werkstatt theme <= 4.7.2 - Cross Site Request Forgery (CSRF) vulnerability |
| CVE-2026-57689 | 4.3 MEDIUM | WordPress Werkstatt theme <= 4.7.2 - Broken Access Control vulnerability |
IV. Related Vulnerabilities
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CVE-2026-94062
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CVE-2026-57690
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CVE-2026-57689
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CVE-2025-69314
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V. Comments for CVE-2026-27414
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