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CVE-2026-92436— Mailchimp for WooCommerce < 6.3 - Unauthenticated Customer Email and Cart Disclosure via IDOR

Quick assessment

Affected
Unknown Mailchimp for WooCommerce
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.

在 Mailchimp for WooCommerce WordPress 插件的 6.3 版本之前，该插件在从请求中提供的标识符加载已保存的购物车时，不需要进行身份验证，也不验证该标识符的所有权。此标识符是基于客户的电子邮件地址生成的。这一缺陷使得攻击者无需任何认证即可确认某位客户是否在该商店购物，并可读取该客户的已保存购物车内容，前提是其已知晓该客户的电子邮件地址。

AI Predicted 5.3 Difficulty: Easy EPSS 0.18% · P6

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-92436

Vulnerability Information
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Vulnerability Title
Mailchimp for WooCommerce < 6.3 - Unauthenticated Customer Email and Cart Disclosure via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication or verify ownership before loading a saved cart from a request-supplied identifier that is derived from a customer's email address, allowing an unauthenticated attacker who knows a customer's email address to confirm that the customer shops at the store and to read that customer's saved cart contents.
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 Mailchimp for WooCommerce 0 ~ 6.3 -

II. Public POCs for CVE-2026-92436

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III. Intelligence Information for CVE-2026-92436

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Other References for CVE-2026-92436 (1)

Same Patch Batch · Unknown · 2026-09-27 · 19 CVEs total

CVE-2026-89003 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Preview
CVE-2026-84069 WebFacing Email Accounts for cPanel 5.3 - 5.3.6 - Unauthenticated LFI via assets/index.php
CVE-2026-81655 Ad Inserter 2.8.12 - 2.8.18 - Subscriber+ RCE / Stored XSS via Global Custom Fields
CVE-2026-82841 UpdraftPlus 1.23.8 - 1.26.7 - Subscriber+ Remote Storage Credential Disclosure via Migrati
CVE-2026-85002 EmbedPress < 4.6.7 - Contributor+ Stored XSS via Instagram Carousel Block Attributes
CVE-2026-86609 Download Manager Pro < 7.5.6 - Unauthenticated Stored XSS via Email Lock Subscription
CVE-2026-86839 Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via I
CVE-2026-86841 Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced O
CVE-2026-89001 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Post Publication and Author Spoofing vi
CVE-2026-96899 Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
CVE-2026-89006 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ Stored XSS via Feed Import
CVE-2026-89000 WPeMatico RSS Feed Fetcher < 2.8.27 - Contributor+ SSRF via Campaign Run
CVE-2026-96896 Malcure Malware Shield < 19.9.7 - Multisite Subsite Admin+ Arbitrary File Write and Deleti
CVE-2026-96897 Optima Express 8.5.0 - 8.7.5 - Unauthenticated Author Account Creation & Application Passw
CVE-2026-96895 WP YouTube Lyte < 1.7.31 - Contributor+ Stored XSS via Embed Block Attributes
CVE-2026-92995 Verge3D <= 4.13.0 - Unauthenticated Product Download Disclosure via v3d_download_file
CVE-2026-97319 PowerPress < 11.17.2 - Contributor+ Stored XSS via Podcast Player Block
CVE-2026-97227 NextScripts: Social Networks Auto-Poster < 4.4.8 - Authenticated Social Account Credential

IV. Related Vulnerabilities

Same product: Mailchimp for WooCommerce
Same vendor: Unknown

V. Comments for CVE-2026-92436

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