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CVE-2026-5069— Fluent Forms <= 6.2.1 - Incorrect Authorization to Authenticated (Subscriber+) Arbitrary Subscription Cancellation via 'subscription_id'

Quick assessment

Affected
wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
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.

WPManageNinja Fluent Forms是WPManageNinja公司的一款Web组件构建工具。 WordPress Fluent Forms 6.2.1及之前版本存在授权问题漏洞，该漏洞源于通过'subscription_id'参数存在授权不正确的访问控制问题，由于在支付取消AJAX流中所有权授权检查不足，可能导致经过身份验证的攻击者，具有订阅者级别及以上访问权限，提交取消其他用户订阅的请求。

CVSS 5.4 · Medium EPSS 0.30% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder ≤ 6.2.1 affected
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I. Basic Information for CVE-2026-5069

Vulnerability Information
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Vulnerability Title
Fluent Forms <= 6.2.1 - Incorrect Authorization to Authenticated (Subscriber+) Arbitrary Subscription Cancellation via 'subscription_id'
Source: CVE Program / CVE List V5
Vulnerability Description
The Fluent Forms plugin for WordPress is vulnerable to incorrect authorization via the 'subscription_id' parameter in versions up to, and including, 6.2.1. This is due to insufficient ownership authorization checks in the payment cancellation AJAX flow. This makes it possible for authenticated attackers, with subscriber-level access and above, to submit cancellation requests for other users' subscriptions.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Fluent Forms 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WPManageNinja Fluent Forms是WPManageNinja公司的一款Web组件构建工具。 WordPress Fluent Forms 6.2.1及之前版本存在授权问题漏洞，该漏洞源于通过'subscription_id'参数存在授权不正确的访问控制问题，由于在支付取消AJAX流中所有权授权检查不足，可能导致经过身份验证的攻击者，具有订阅者级别及以上访问权限，提交取消其他用户订阅的请求。
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
wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder 0 ~ 6.2.1 -

II. Public POCs for CVE-2026-5069

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III. Intelligence Information for CVE-2026-5069

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Vendor Advisories for CVE-2026-5069 (1)

IV. Related Vulnerabilities

Same product: Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
Same vendor: wpmanageninja
Same weakness: CWE-863

V. Comments for CVE-2026-5069

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