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CVE-2026-14926— FluentCart < 1.4.0 - Subscriber+ Subscription Payment-Method Tampering via IDOR

Quick assessment

Affected
Unknown FluentCart A New Era of eCommerce
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 FluentCart A New Era of eCommerce是WordPress基金会的一款电子商务平台。 WordPress FluentCart A New Era of eCommerce 1.4.0之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未验证订阅是否属于请求客户，允许任何认证客户在知道目标订阅标识符时操作其他客户的订阅（更改支付方式、取消和重新绑定）。

AI Predicted 7.5 Difficulty: Easy EPSS 0.14% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown FluentCart A New Era of eCommerce < 1.4.0 affected
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I. Basic Information for CVE-2026-14926

Vulnerability Information
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Vulnerability Title
FluentCart < 1.4.0 - Subscriber+ Subscription Payment-Method Tampering via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The FluentCart A New Era of eCommerce WordPress plugin before 1.4.0 does not verify that a subscription belongs to the requesting customer in several of its payment-method endpoints, allowing any authenticated customer to act on another customer's subscription (changing its payment method, or cancelling and re-binding it) when they know the target subscription identifier.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress FluentCart A New Era of eCommerce 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress FluentCart A New Era of eCommerce是WordPress基金会的一款电子商务平台。 WordPress FluentCart A New Era of eCommerce 1.4.0之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未验证订阅是否属于请求客户，允许任何认证客户在知道目标订阅标识符时操作其他客户的订阅（更改支付方式、取消和重新绑定）。
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
Unknown FluentCart A New Era of eCommerce 0 ~ 1.4.0 -

II. Public POCs for CVE-2026-14926

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III. Intelligence Information for CVE-2026-14926

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News Coverage for CVE-2026-14926 (1)

Same Patch Batch · Unknown · 2026-07-28 · 6 CVEs total

CVE-2026-14545 TrueBooker Appointment Booking < 1.2.4 - Unauthenticated Account Takeover via Password Res
CVE-2026-14924 Tablesome < 1.1.31 - Unauthenticated Post Creation and Modification
CVE-2026-14870 Database for Contact Form 7, WPforms, Elementor forms < 1.5.3 - Reflected XSS via form_id
CVE-2026-14821 Quiz And Survey Master < 11.1.5 - Contributor+ Arbitrary Template Deletion
CVE-2026-14819 Event Tickets < 5.28.4 - Editor+ Stored XSS via Ticket Move

IV. Related Vulnerabilities

Same product: FluentCart A New Era of eCommerce
Same vendor: Unknown

V. Comments for CVE-2026-14926

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