CVE-2023-6855 Paid Memberships Pro <= 2.12.5 - Missing Authorization via API

Medium 5.3 Published Updated

Unauthenticated attackers can modify membership levels and prices due to a missing capability check in the API.

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-2023-6855?

CVE-2023-6855 is a medium-severity missing authorization vulnerability in strangerstudios Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions, published on 11 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress is vulnerable to unauthorized modification of membership levels created by the plugin due to an incorrectly implemented capability check in the pmpro_rest_api_get_permissions_check function in all versions up to 2.12.5 (inclusive). This makes it possible for unauthenticated attackers to change membership levels including prices.

Weakness: CWE-862

Which versions are affected by CVE-2023-6855?

It affects 1 product.

Products include Strangerstudios Paid Memberships Pro.

How do I fix CVE-2023-6855?

No fix has been published for CVE-2023-6855 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-2023-6855 being exploited?

There is no known exploitation of CVE-2023-6855 in the wild and no public exploit code.

Sources

Also known as GHSA-v46r-x4f9-r3p5.

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