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CVE-2026-100143— FluentCart < 1.6.5 - Unauthenticated Guest Customer Account Takeover via Checkout Email

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.

FluentCart（“电商新时代”）WordPress 插件在 1.6.5 版本之前未验证执行访客结账操作的用户是否确实控制其所提供的电子邮件地址。这使得知道现有访客客户邮箱地址的未认证攻击者能够获取一个已登录且关联该邮箱账户，并访问该客户存储的记录。

AI Predicted 7.5 Difficulty: Easy EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown FluentCart A New Era of eCommerce < 1.6.5 affected
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I. Basic Information for CVE-2026-100143

Vulnerability Information
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Vulnerability Title
FluentCart < 1.6.5 - Unauthenticated Guest Customer Account Takeover via Checkout Email
Source: CVE Program / CVE List V5
Vulnerability Description
The FluentCart A New Era of eCommerce WordPress plugin before 1.6.5 does not verify that the person placing a guest checkout controls the email address supplied, allowing unauthenticated attackers who know an existing guest customer's email to obtain a logged-in account bearing that address together with the customer's stored record.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown FluentCart A New Era of eCommerce 0 ~ 1.6.5 -

II. Public POCs for CVE-2026-100143

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III. Intelligence Information for CVE-2026-100143

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Other References for CVE-2026-100143 (1)

Same Patch Batch · Unknown · 2026-09-30 · 28 CVEs total

CVE-2026-87777 Hostinger Reach 1.0.6 - 1.8.2 - Contributor+ Stored XSS via formId Elementor Widget Attrib
CVE-2026-75824 WP User Frontend 2.5.8 - 4.3.11 - Unauthenticated Account Creation with Registration Disab
CVE-2026-75823 WP User Frontend 3.5.29 - 4.3.11 - Unauthenticated Privilege Escalation via Registration R
CVE-2026-82127 Schema & Structured Data for WP & AMP < 1.67 - Editor+ Stored XSS via Taxonomy Term Fields
CVE-2026-80333 Solace Extra < 1.7.2 - Unauthenticated Non-Published Post Content Disclosure via Preview R
CVE-2026-83560 New User Approve 3.1.0 - 3.2.9 - Unauthenticated PII Disclosure via Zapier API Key Bypass
CVE-2026-75873 Zella Theme < 2.6.3 - Unauthenticated Arbitrary File Upload
CVE-2026-86789 Connections Business Directory <= 10.4.67 - Unauthenticated Non-Public Directory Entry Dis
CVE-2026-85001 EmbedPress 4.4.9 - 4.6.6 - Contributor+ Stored XSS via Elementor Widget showTitle Attribut
CVE-2026-85415 Audio Player Block 1.1.0 - 1.6.2 - Contributor+ Stored XSS via Audio Download URL
CVE-2026-85576 All in One Files Upload for WooCommerce < 2.0.17 - Subscriber+ Arbitrary Plugin Settings U
CVE-2026-85573 All in One Files Upload for WooCommerce 2.0.3 - 2.0.16 - Unauthenticated Stored XSS via SV
CVE-2026-88791 Safe Redirect Manager < 2.3.0 - Open Redirect via Wildcard Redirect Rules
CVE-2026-88797 Vayu X < 1.0.6 - Subscriber+ Arbitrary WordPress.org Plugin Installation and Activation
CVE-2026-94274 YayReviews 1.0.4 - 1.4.0 - Unauthenticated Sensitive Data Disclosure via REST API
CVE-2026-89193 Robin Image Optimizer 2.0.0 - 2.0.7 - Unauthenticated Stored XSS via WebP URL Delivery HTM
CVE-2026-89190 Robin Image Optimizer < 2.0.8 - Subscriber+ Plugin Settings Disclosure via fy_ajax
CVE-2026-90953 Image Optimizer by Elementor < 1.7.7 - Subscriber+ Attachment Metadata and Site Statistics
CVE-2026-91072 EWWW Image Optimizer < 8.8.0 - Admin+ WebP File Rename and Deletion via Unrestricted Path
CVE-2026-91051 EWWW Image Optimizer 8.6.0 - 8.7.7 - Author+ PHP Object Injection via 'eio_page_settings'

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-100143

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