Welcart e-Commerce

Welcart e-Commerce has 58 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2026; all 58 are fixed as of October 2026. Their average CVSS score is 6.9, and the most serious one scores 9.8 out of 10. Severity breakdown: 3 critical and 25 high. 2026 was the busiest year with 11 disclosures.

The most common weakness is Cross-Site Scripting, behind 20 of the records (34%). Other recurring categories include SQL Injection, Deserialization Of Untrusted Data.

Every one of the 58 issues recorded for Welcart e-Commerce has a vendor fix available, so running the current release closes all known holes.

38 independent researchers contributed these findings, most of them (4) reported by Gen Sato. Welcart e-Commerce is installed on roughly 10,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.3.

01234567891023.10.2009Today14.12.20128.8Welcart e-Commerce < 1.2.2 - Cross-Site Request Forgery CVSS 8.8 · 14.12.20126.1Welcart e-Commerce < 1.2.2 - Cross-Site Scripting CVSS 6.1 · 14.12.201203.03.20146.1Welcart e-Commerce <= 2.11.1 - Cross-Site Scripting CVSS 6.1 · 03.03.201404.03.20149.8Welcart e-Commerce <= 2.9.1 - SQL Injection CVSS 9.8 · 04.03.201415.07.20157.1Welcart e-Commerce < 1.4.18 - Multiple Cross-Site Scripting CVSS 7.1 · 15.07.201517.12.20158.8Welcart e-Commerce < 1.5.3 - SQL Injection CVSS 8.8 · 17.12.201524.06.20166.1Welcart e-Commerce < 1.8.3 - Reflected Cross-Site Scripting CVSS 6.1 · 24.06.20166.1Welcart e-Commerce <= 1.8.2 - Cross-Site Scripting CVSS 6.1 · 24.06.20168.1Welcart e-Commerce < 1.8.3 - Object Injection CVSS 8.1 · 24.06.20169.8Welcart e-Commerce <= 1.8.2 - Authentication Bypass CVSS 9.8 · 24.06.201605.11.20207.5Welcart e-Commerce <= 1.9.35 - PHP Object Injection CVSS 7.5 · 05.11.202008.02.20218.8Welcart e-Commerce <= 2.1.0 - SQL Injection CVSS 8.8 · 08.02.202111.06.20216.1Welcart e-Commerce <= 2.2.3 - Reflected Cross-Site Scripting CVSS 6.1 · 11.06.202106.08.20217.5Welcart e-Commerce < 2.2.8 - Missing Capabilities Check to Information Disclosure CVSS 7.5 · 06.08.20214.3Welcart e-Commerce < 2.2.8 - Missing Capabilities Check to Information Disclosure CVSS 4.3 · 06.08.202102.09.20227.5Welcart e-Commerce 2.6.0-2.7.7 - Information Disclosure via Arbitrary File Read CVSS 7.5 · 02.09.202216.11.20228.8Welcart e-Commerce <= 2.8.3 - Cross-Site Request Forgery CVSS 8.8 · 16.11.202221.11.20226.4Welcart e-Commerce <= 2.8.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVSS 6.4 · 21.11.20225.4Welcart e-Commerce <= 2.8.3 - Missing Authorization CVSS 5.4 · 21.11.202228.11.20228.8Welcart e-Commerce <= 2.8.3 - Cross-Site Request Forgery CVSS 8.8 · 28.11.202230.11.20227.5Welcart e-Commerce 2.6.10-2.8.4 - Information Disclosure via Arbitrary File Read CVSS 7.5 · 30.11.202205.12.20226.5Welcart e-Commerce <= 2.8.5 - Authenticated (Subscriber+) Information Disclosure and PHAR deserialization CVSS 6.5 · 05.12.20226.5Welcart e-Commerce <= 2.8.4 - Authenticated (Subscriber+) Arbitrary File Read CVSS 6.5 · 05.12.202223.12.20226.4Welcart e-Commerce <= 2.8.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 6.4 · 23.12.202227.01.20237.2Welcart e-Commerce <= 2.8.10 - Unauthenticated Stored Cross-Site Scripting CVSS 7.2 · 27.01.202314.09.20238.8Welcart e-Commerce <= 2.8.21 - Authenticated(Editor+) SQL Injection CVSS 8.8 · 14.09.20238.8Welcart e-Commerce <= 2.8.21 - Authenticated(level_5+) SQL Injection via get_logs CVSS 8.8 · 14.09.202326.09.20238.8Welcart e-Commerce <= 2.8.21 - Authenticated(Editor+) Arbitrary File Upload CVSS 8.8 · 26.09.202310.11.20239.8Welcart e-Commerce <= 2.9.4 - Unauthenticated PHP Object Injection CVSS 9.8 · 10.11.20236.1Welcart e-Commerce <= 2.9.4 - Reflected Cross-Site Scripting CVSS 6.1 · 10.11.202314.11.20238.8Welcart e-Commerce <= 2.9.4 - Cross-Site Request Forgery CVSS 8.8 · 14.11.20238.8Welcart e-Commerce <= 2.9.4 - Authenticated (Subscriber+) Arbitrary File Upload CVSS 8.8 · 14.11.202315.11.20237.2Welcart e-Commerce <= 2.9.5 - Authenticated (Administrator+) PHP Object Injection CVSS 7.2 · 15.11.202308.12.20234.1Welcart e-Commerce <= 2.9.6 - Authenticated (Administrator+) Directory Traversal CVSS 4.1 · 08.12.202321.12.20237.2Welcart e-Commerce <= 2.9.3 - Authenticated(Editor+) SQL Injection CVSS 7.2 · 21.12.202312.04.20245.4Welcart e-Commerce <= 2.9.14 - Missing Authorization CVSS 5.4 · 12.04.202418.09.20244.9Welcart e-Commerce <= 2.11.1 - Authenticated (Admin+) SQL Injection CVSS 4.9 · 18.09.202411.02.20257.2Welcart e-Commerce <= 2.11.9 - Unauthenticated Stored Cross-Site Scripting via name Parameter CVSS 7.2 · 11.02.202503.06.20256.5Welcart e-Commerce <= 2.11.13 - Authenticated (Editor+) Arbitrary File Deletion CVSS 6.5 · 03.06.202516.07.20255.5Welcart e-Commerce <= 2.11.16 - Authenticated (Editor+) Stored Cross-Site Scripting CVSS 5.5 · 16.07.202512.08.20256.6Welcart e-Commerce <= 2.11.16 - Authenticated (Editor+) PHP Object Injection CVSS 6.6 · 12.08.202509.09.20254.4Welcart e-Commerce <= 2.11.20 - Authenticated (Editor+) Stored Cross-Site Scripting CVSS 4.4 · 09.09.20255.5Welcart e-Commerce <= 2.11.20 - Authenticated (Editor+) Stored Cross-Site Scripting CVSS 5.5 · 09.09.202507.10.20256.5Welcart e-Commerce <= 2.11.21 - Authenticated (Author+) SQL Injection via Cookie CVSS 6.5 · 07.10.202514.10.20254.3Welcart e-Commerce <= 2.11.24 - Missing Authorization CVSS 4.3 · 14.10.202521.10.20255.5Welcart e-Commerce <= 2.11.22 - Authenticated (Editor+) Stored Cross-Site Scripting via order_mail CVSS 5.5 · 21.10.202512.11.20255.3Welcart e-Commerce <= 2.11.24 - Missing Authorization to Unauthenticated Information Exposure CVSS 5.3 · 12.11.202504.06.20265.3Welcart e-Commerce <= 2.11.28 - Missing Authorization CVSS 5.3 · 04.06.202631.07.20264.9Welcart e-Commerce <= 2.11.31 - Authenticated (Editor+) SQL Injection CVSS 4.9 · 31.07.202610.08.20266.4Welcart e-Commerce <= 2.11.33 - Authenticated (Author+) Stored Cross-Site Scripting CVSS 6.4 · 10.08.202611.08.20267.2Welcart e-Commerce <= 2.11.31 - Unauthenticated Stored Cross-Site Scripting CVSS 7.2 · 11.08.202614.08.20265.3Welcart e-Commerce < 2.11.33 - Unauthenticated Payment Bypass CVSS 5.3 · 14.08.202619.08.20266.5Welcart e-Commerce < 2.12.1 - Unauthenticated Session Fixation CVSS 6.5 · 19.08.202631.08.20267.2Welcart e-Commerce <= 2.12.1 - Unauthenticated Stored Cross-Site Scripting via 'custom_order' Parameter CVSS 7.2 · 31.08.202604.09.20268.8Welcart e-Commerce <= 2.12.1 - Unauthenticated Arbitrary File Deletion via PHP Object Injection via 'reserve' Checkout Parameter and 'option' EDY Callback CVSS 8.8 · 04.09.202602.10.20267.2Welcart e-Commerce <= 2.12.2 - Unauthenticated Stored Cross-Site Scripting via Settlement Notification Parameters CVSS 7.2 · 02.10.202603.10.20267.2Welcart e-Commerce <= 2.12.3 - Unauthenticated Stored Cross-Site Scripting CVSS 7.2 · 03.10.202616.10.20264.9Welcart e-Commerce <= 2.12.4 - Authenticated (Editor+) SQL Injection via 'wp_usces_order_old' Cookie CVSS 4.9 · 16.10.2026

Strategic Overview

Avg CVSSMedium
6.9/ 10
Patch Coverage100%
Open

0

Fixed

58

Get automatic notifications for all Welcart e-Commerce vulnerabilities before they are exploited.

Highest severity on recordCVSS 9.8CVE-2023-5952

Welcart e-Commerce <= 2.9.4 - Unauthenticated PHP Object Injection

Read the full analysis

Vulnerability Records

58 records
2026-10-16 14:35CVE-2026-107752
4.9
Medium
Wordfence PRISMYes
2026-10-03 00:00CVE-2026-96761
7.2
High
Nguyen Ba KhanhYes
2026-10-02 17:10CVE-2026-87091
7.2
High
minhgalaxyYes
2026-09-04 17:58CVE-2026-19887
8.8
High
darooYes
2026-08-31 20:54CVE-2026-19914
7.2
High
Afifudin MaarifYes
2026-08-19 00:00CVE-2025-15671
6.5
Medium
Maktoum (bRpsd)Yes
2026-08-14 00:00CVE-2026-15213
5.3
Medium
Pedro PinhoYes
2026-08-11 00:00CVE-2026-27539
7.2
High
K. SorrachatYes
2026-08-10 00:00CVE-2026-16066
6.4
Medium
Yaswanth Reddy SunkaraYes
2026-07-31 00:00CVE-2026-16065
4.9
Medium
Yaswanth Reddy SunkaraYes
Showing 1–10 of 58 reports
Welcart e-Commerce banner
Latestv2.12.6

Welcart e-Commerce

info@welcart

Author

info@welcart

4.5(6)
90/100
Last Updated
2026-10-23 (5d ago)
Active Installs
10,000+
Downloads
1,376,632
Requires WP
5.6+
Requires PHP
7.4+
Tested up to
WP 7.1.3
Created
2009-10-23 (17y ago)

Welcart is a free WordPress e-commerce plugin with the top market share in Japan. It offers extensive features and flexibility to help you build your own online store with ease. Compatible with PHP 7.4 to 8.3. SHOPPING CART SYSTEM Sell physical products with no limits on the number of items or categories. Manage inventory with SKU codes and configure flexible pricing and shipping options. Additional extension plugins are available to support digital content sales and subscriptions. Over 16 payment services can be added through the official Welcart website. Welcart Payment services (Japanese) DESIGN A free responsive theme (Welcart Basic) is available, along with premium themes. You can customize the design and layout however you like. Welcart Theme downloads (Japanese) MANAGING SYSTEM Order data is automatically saved and updated in the database. The order list page offers powerful filtering by customer information, date, product type, and more. From the order editing page, you can modify order details, send confirmation emails, download receipt PDFs, and more. MEMBERSHIP SYSTEM Welcart includes a built-in membership system with no additional plugins required. The member list page supports searching by customer information and purchase history. A point system is also available for members.

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C