CVE-2023-6855
First published: Thu Jan 11 2024(Updated: )
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.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Paid Memberships Pro | <=2.12.5 |
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Reference Links
- https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L528
- https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L997
- https://plugins.trac.wordpress.org/changeset/3011575/paid-memberships-pro/trunk/includes/rest-api.php?contextall=1&old=2947813&old_path=%2Fpaid-memberships-pro%2Ftrunk%2Fincludes%2Frest-api.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/383c7837-e7b7-4608-9cdc-91b7dbc7f4e2?source=cve
Frequently Asked Questions
What is the severity of CVE-2023-6855?
CVE-2023-6855 has a medium severity level due to its potential for unauthorized modification of membership levels.
How do I fix CVE-2023-6855?
To fix CVE-2023-6855, update the Paid Memberships Pro plugin to version 2.12.6 or later.
What are the potential impacts of CVE-2023-6855?
The potential impacts of CVE-2023-6855 include unauthorized access to modify membership levels, which could compromise user data.
Which versions of Paid Memberships Pro are affected by CVE-2023-6855?
CVE-2023-6855 affects Paid Memberships Pro versions up to and including 2.12.5.
What specific function is responsible for the vulnerability in CVE-2023-6855?
The vulnerability in CVE-2023-6855 is due to an incorrectly implemented capability check in the pmpro_rest_api_get_permissions_check function.
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