Welcart e-Commerce <= 2.11.20 - Authenticated (Editor+) Stored Cross-Site Scripting

5.5
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-9367
CVSS 5.5 (Medium)
Publicly Published September 9, 2025
Last Updated September 10, 2025
Researcher Miguel Santareno

Description

The Welcart e-Commerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via settings in all versions up to, and including, 2.11.20 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for Welcart e-Commerce

Software Type Plugin
Software Slug usc-e-shop (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.11.21, or a newer patched version
Affected Version
  • <= 2.11.20
Patched Version
  • 2.11.21

Recent vulnerabilities in Welcart e-Commerce

# Title CVE ID CVSS Researchers Date
1 Welcart e-Commerce <= 2.11.28 - Missing Authorization CVE-2026-49775 5.3 dodoh4t June 4, 2026
2 Welcart e-Commerce <= 2.11.24 - Missing Authorization to Unauthenticated Information Exposure CVE-2025-12979 5.3 Marcin Dudek (dudekmar) November 12, 2025
3 Welcart e-Commerce <= 2.11.22 - Authenticated (Editor+) Stored Cross-Site Scripting via order_mail CVE-2025-10651 5.5 Miguel Santareno October 21, 2025
4 Welcart e-Commerce <= 2.11.24 - Missing Authorization CVE-2025-62953 4.3 Legion Hunter October 14, 2025
5 Welcart e-Commerce <= 2.11.21 - Authenticated (Author+) SQL Injection via Cookie CVE-2025-10649 6.5 Peter Thaleikis October 7, 2025
6 Welcart e-Commerce <= 2.11.20 - Authenticated (Editor+) Stored Cross-Site Scripting CVE-2025-58984 4.4 63n0 September 9, 2025
7 Welcart e-Commerce <= 2.11.16 - Authenticated (Editor+) PHP Object Injection CVE-2025-54012 6.6 63n0 August 12, 2025
8 Welcart e-Commerce <= 2.11.16 - Authenticated (Editor+) Stored Cross-Site Scripting CVE-2025-54013 5.5 Gai Tanaka (63n0) July 16, 2025
9 Welcart e-Commerce <= 2.11.13 - Authenticated (Editor+) Arbitrary File Deletion CVE-2025-47511 6.5 Martino Spagnuolo June 3, 2025
10 Welcart e-Commerce <= 2.11.9 - Unauthenticated Stored Cross-Site Scripting via name Parameter CVE-2025-0511 7.2 shaman0x01 February 11, 2025

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