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CVE-2026-78466— Fluent Boards Pro <= 2.0.11 - Authenticated (Subscriber+) Insecure Direct Object Reference

Quick assessment

Affected
Fluent Boars 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.

WordPress 的 Fluent Boards Pro 插件在所有 2.0.11 及以下版本中存在不安全的直接对象引用漏洞，原因是缺少对用户可控键的验证。这使得具有订阅者级别及以上权限的已认证攻击者能够执行未经授权的操作。

CVSS 4.3 · Medium EPSS 0.16% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
Fluent Boars Fluent Boards Pro ≤ 2.0.11 affected
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I. Basic Information for CVE-2026-78466

Vulnerability Information
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Vulnerability Title
Fluent Boards Pro <= 2.0.11 - Authenticated (Subscriber+) Insecure Direct Object Reference
Source: CVE Program / CVE List V5
Vulnerability Description
The Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Fluent Boars Fluent Boards Pro 0 ~ 2.0.11 -

II. Public POCs for CVE-2026-78466

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III. Intelligence Information for CVE-2026-78466

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Security Blog Posts for CVE-2026-78466 (1)

News Coverage for CVE-2026-78466 (1)

IV. Related Vulnerabilities

Same product: Fluent Boards Pro
Same weakness: CWE-639

V. Comments for CVE-2026-78466

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