CVE-2026-93343 MarketKing < 2.1.72 Missing Authorization via marketking_admin_vendors_ajax
Authenticated subscribers can retrieve the complete vendor directory, exposing internal user IDs, usernames, and email addresses due to missing capability checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-93343?
CVE-2026-93343 is a high-severity missing authorization vulnerability in WebWizards MarketKing, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
MarketKing plugin for WordPress before 2.1.72 contains a missing authorization vulnerability in the marketking_admin_vendors_ajax AJAX action that allows authenticated attackers with subscriber-level access or higher to retrieve the complete vendor directory by sending a crafted AJAX request. Attackers can exploit the absence of capability checks in the vendor management action to retrieve internal user IDs, usernames, and email addresses of all registered vendors, exposing personally identifiable information to any logged-in user regardless of role.
Weakness: CWE-862
Which versions are affected by CVE-2026-93343?
How do I fix CVE-2026-93343?
No fix has been published for CVE-2026-93343 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-93343 being exploited?
There is no known exploitation of CVE-2026-93343 in the wild and no public exploit code.
Sources
Also known as GHSA-494w-928f-793q.