What the vulnerability does
01Description
The MarketKing — Ultimate WooCommerce Multivendor Marketplace Solution plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin's settings in all versions up to, and including, 1.9.80 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Shop Manager-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.
Explanation of Vulnerability in Simple Terms
02Summary
MarketKing versions up to 1.9.80 contain a stored cross-site scripting vulnerability that allows high-privilege users to inject malicious scripts affecting other users. The vulnerability requires administrator or vendor-level access and has limited scope, exposing confidentiality and integrity risks. Site owners should update to a version newer than 1.9.80.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Malicious admins or vendors can steal session tokens, modify content, or redirect users to phishing sites.
Conditions required to exploit
05Prerequisites
Attacker must have high-level privileges (administrator or vendor account) on the site.
Key dates
06Disclosure timeline
January 18, 2025
CVE published
April 8, 2026
Record updated
