What’s Vulnerable › Vulnerabilities

CVE-2026-93342: MarketKing < 2.1.72 Missing Authorization via marketking_duplicate_product AJAX

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-22 · updated 2026-09-23
• Weakness: CWE-862

Description

MarketKing plugin for WordPress before 2.1.72 contains a missing authorization vulnerability in the marketking_duplicate_product AJAX action that allows authenticated attackers with subscriber-level access or higher to duplicate any vendor's product by supplying an arbitrary product ID. Attackers can bypass ownership verification to copy any vendor's product listings, including private product metadata, and assign the duplicated copy to their own vendor account without the victim's knowledge or consent.

Affected products

• WebWizards MarketKing: before 2.1.72 — fixed in 2.1.72

How to fix

Upgrade to a fixed version: WebWizards MarketKing 2.1.72. Check the vendor advisory for mitigations.

References

• https://marketkingplugin.com/changelog/
• https://wordpress.org/plugins/marketking-multivendor-marketplace-for-woocommerce/
• https://www.vulncheck.com/advisories/marketking-missing-authorization-via-marketking-duplicate-product-ajax

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