CVE-2024-8289 Missing authorization in MultiVendorX – WooCommerce Multivendor Marketplace Solutions

Critical 9.8 Published 4 Sep 2024 Updated 8 Apr 2026

Unauthenticated attackers can escalate privileges, create vendor accounts, or take over existing vendor accounts due to missing authorization checks in the MultiVendorX plugin.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-8289?

CVE-2024-8289 is a critical missing authorization vulnerability in wcmp MultiVendorX – WooCommerce Multivendor Marketplace Solutions, published on 4 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The MultiVendorX – The Ultimate WooCommerce Multivendor Marketplace Solution plugin for WordPress is vulnerable to privilege escalation/de-escalation and account takeover due to an insufficient capability check on the update_item_permissions_check and create_item_permissions_check functions in all versions up to, and including, 4.2.0. This makes it possible for unauthenticated attackers to change the password of any user with the vendor role, create new users with the vendor role, and demote other users like administrators to the vendor role.

Weakness: CWE-862

Which versions are affected by CVE-2024-8289?

It affects 1 product.

Products include Multivendorx Multivendorx.

How do I fix CVE-2024-8289?

No fix has been published for CVE-2024-8289 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-2024-8289 being exploited?

There is no known exploitation of CVE-2024-8289 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-j558-547g-jpj8.