WCFM Marketplace – Multivendor Marketplace for WooCommerce <= 3.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-83562
CVSS 6.4 (Medium)
Publicly Published August 31, 2026
Last Updated September 1, 2026
Researcher Ananda Dhakal

Description

The WCFM Marketplace – Multivendor Marketplace for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 3.8.2. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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

References

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Vulnerability Details for WCFM Marketplace – Multivendor Marketplace for WooCommerce

Software Type Plugin
Software Slug wc-multivendor-marketplace (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.8.3, or a newer patched version
Affected Version
  • <= 3.8.2
Patched Version
  • 3.8.3

Recent vulnerabilities in WCFM Marketplace – Multivendor Marketplace for WooCommerce

# Title CVE ID CVSS Researchers Date
1 WCFM Marketplace <= 3.8.2 - Unauthenticated SQL Injection via 'wcfmmp_user_location_lat' / 'wcfmmp_user_location_lng' Parameter CVE-2026-18442 7.5 Jonah Burgess (CryptoCat) September 17, 2026
2 WCFM Marketplace – Multivendor Marketplace for WooCommerce <= 3.8.1 - Unauthenticated SQL Injection CVE-2026-81286 7.5 Ivaylo Atanassov September 1, 2026
3 WCFM Marketplace – Multivendor Marketplace for WooCommerce < 3.8.2 - Insecure Direct Object Reference to Unauthenticated Arbitrary Order Refund Request CVE-2026-77701 5.3 Shikhali Jamalzade August 26, 2026
4 WCFM Marketplace <= 3.8.0 - Insecure Direct Object Reference to Authenticated (Store vendor+) Cross-Vendor Review Deletion and Status Update CVE-2026-14196 5.4 Mustafa Ahmed August 17, 2026
5 WCFM Marketplace <= 3.7.3 - Authenticated (Vendor+) Stored Cross-Site Scripting via Attachment 'post_title' CVE-2026-12126 6.4 Nadir Şensoy July 10, 2026
6 WCFM Marketplace – Multivendor Marketplace for WooCommerce <= 3.7.2 - Authenticated (Store vendor+) SQL Injection CVE-2025-63029 6.5 Martino Spagnuolo April 15, 2026
7 WCFM Marketplace <= 3.7.0 - Insecure Direct Object Reference to Unauthenticated Arbitrary Refund Request Creation CVE-2026-1722 5.3 Gibran Abdillah February 9, 2026
8 WCFM Marketplace <= 3.7.3 - Missing Authorization CVE-2025-64631 4.3 benzdeus December 15, 2025
9 WCFM Marketplace – Multivendor Marketplace for WooCommerce <= 3.6.11 - Reflected Cross-Site Scripting CVE-2024-44009 6.1 Le Ngoc Anh September 16, 2024
10 WCFM Marketplace <= 3.6.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2023-4960 6.4 István Márton November 23, 2023

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