CVE-2026-103688— Checkout Files Upload for WooCommerce < 2.4.0 - Unauthenticated Arbitrary File Upload
Quick assessment
Affected
Unknown Checkout Files Upload 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.
WooCommerce WordPress 插件"Checkout Files Upload"在版本 2.4.0 之前，当其“接受的文件类型”设置留空时（该设置文档说明留空表示接受所有文件），未对上传的文件类型进行验证。这允许未认证用户上传任意文件，包括 PHP 文件；若服务器配置为从 uploads 目录执行 PHP，则可能导致远程代码执行漏洞。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-103688
Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Checkout Files Upload for WooCommerce < 2.4.0 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Checkout Files Upload for WooCommerce WordPress plugin before 2.4.0 does not validate uploaded file types when its accepted file types setting is left empty, which it documents as the way to accept all files, allowing unauthenticated users to upload arbitrary files, including PHP files that lead to remote code execution on servers that execute PHP from the uploads directory.
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 | Checkout Files Upload for WooCommerce | 0 ~ 2.4.0 | - |
|
II. Public POCs for CVE-2026-103688
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Unknown · 2026-10-28 · 42 CVEs total
| CVE-2026-110508 | 5.3 MEDIUM | Essential Addons for Elementor 6.7.3 - 6.8.6 - Unauthenticated Registration Approval Bypas |
| CVE-2026-106648 | 5.3 MEDIUM | Royal Elementor Addons < 1.7.1070 - Unauthenticated Arbitrary Email Recipient Injection vi |
| CVE-2026-103330 | 5.3 MEDIUM | Sadad QA Payment 1.28 - Unauthenticated Arbitrary Order Payment Confirmation via Signature |
| CVE-2026-103313 | 5.3 MEDIUM | BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Payment Bypass via Payment Retur |
| CVE-2026-115223 | 4.9 MEDIUM | Smart Popup by Supsystic < 2.0.2 - Admin+ SSTI via Popup Text Block |
| CVE-2026-110691 | WPOrLogin < 3.1.0 - Unauthenticated Hide Login Slug Update | |
| CVE-2026-103331 | UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via | |
| CVE-2026-110524 | Copy Anything to Clipboard < 5.5.5 - Contributor+ Stored XSS via 'success-text' Shortcode | |
| CVE-2026-110509 | Essential Addons for Elementor < 6.8.7 - Unauthenticated Private Post Meta Disclosure via | |
| CVE-2026-107100 | Royal Elementor Addons 1.3.81 - 1.7.1069 - Unauthenticated Non-Public Post Content Disclos | |
| CVE-2026-110506 | Page Builder by SiteOrigin < 2.38.0 - Contributor+ Stored XSS via panels_info.class | |
| CVE-2026-110292 | PayPlug for WooCommerce 2.9.0 - 3.1.0 - Unauthenticated Order Key Disclosure and Order Can | |
| CVE-2026-110507 | Page Builder by SiteOrigin < 2.38.0 - Contributor+ Sensitive Data Disclosure via Post Loop | |
| CVE-2026-106002 | Court Reservation < 1.12.4 - Unauthenticated Arbitrary Challenge Deletion | |
| CVE-2026-106003 | Court Reservation < 1.12.4 - Unauthenticated Reservation Type Addition and Deletion | |
| CVE-2026-106647 | Royal Elementor Addons 1.3.68 - 1.7.1069 - Author+ Form Submission Interception via Widget | |
| CVE-2026-107098 | Royal Elementor Addons 1.7.1037 - 1.7.1069 - Contributor+ Stored XSS via Google Maps Widge | |
| CVE-2026-107097 | Royal Elementor Addons 1.3.71 - 1.7.1069 - Unauthenticated Mailchimp Audience Injection vi | |
| CVE-2026-103382 | Casso Auto-confirm Bank Transfer < 4.2.0 - Unauthenticated WooCommerce Order Payment Confi | |
| CVE-2026-105972 | WooCommerce Menu Cart < 3.2.1 - Unauthenticated Stored XSS via Cart Item Variation Attribu |
Showing top 20 of 42 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Unknown
-
CVE-2026-115223
Smart Popup by Supsystic < 2.0.2 - Admin+ SSTI via Popup Tex -
CVE-2026-110508
Essential Addons for Elementor 6.7.3 - 6.8.6 - Unauthenticat -
CVE-2026-106648
Royal Elementor Addons < 1.7.1070 - Unauthenticated Arbitrar -
CVE-2026-103330
Sadad QA Payment 1.28 - Unauthenticated Arbitrary Order Paym -
CVE-2026-103313
BitPay Gateway for WooCommerce <= 4.1.3 - Unauthenticated Pa