CVE-2026-78276— WordPress Fluent Boards Pro plugin <= 2.0.11 - PHP Object Injection vulnerability
Quick assessment
Affected
WP Manage Ninja Fluent Boards Pro
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.
Fluent Boards Pro 版本 ≤ 2.0.11 存在编辑器 PHP 对象注入漏洞。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-78276
Vulnerability Information
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Vulnerability Title
WordPress Fluent Boards Pro plugin <= 2.0.11 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Editor PHP Object Injection in Fluent Boards Pro <= 2.0.11 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WP Manage Ninja | Fluent Boards Pro | n/a ~ 2.0.11 | - |
|
II. Public POCs for CVE-2026-78276
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Security Blog Posts for CVE-2026-78276 (1)
Same Patch Batch · WP Manage Ninja · 2026-08-27 · 7 CVEs total
| CVE-2026-78274 | 9.1 CRITICAL | WordPress Fluent Boards Pro plugin <= 2.0.11 - Arbitrary File Upload vulnerability |
| CVE-2026-81273 | 8.1 HIGH | WordPress FluentBooking Pro plugin <= 2.2.4 - Cross Site Request Forgery (CSRF) vulnerabil |
| CVE-2026-78271 | 7.2 HIGH | WordPress FluentCRM Pro plugin <= 3.1.12 - Privilege Escalation vulnerability |
| CVE-2026-78275 | 6.8 MEDIUM | WordPress Fluent Boards Pro plugin <= 2.0.11 - Arbitrary File Deletion vulnerability |
| CVE-2026-78273 | 6.5 MEDIUM | WordPress Fluent Boards Pro plugin <= 2.0.11 - Cross Site Scripting (XSS) vulnerability |
| CVE-2026-81272 | 4.9 MEDIUM | WordPress FluentPlayer Pro plugin <= 1.3.2 - Broken Access Control vulnerability |
IV. Related Vulnerabilities
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CVE-2026-78275
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CVE-2026-78274
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Same weakness: CWE-502
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V. Comments for CVE-2026-78276
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