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8.8
CVE-2026-6898: Wishlist Member plugin for WordPress: Unauthorized Data Modification
CVE-2026-6898
Summary
The Wishlist Member plugin for WordPress, used in websites, has a security flaw that could allow attackers with limited access to make changes to sensitive data. This could potentially lead to a complete takeover of the website. Website owners should update to the latest version of the plugin to fix this issue.
Original title
The Wishlist Member plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'WishListMember3_Hooks::generate_api_key' function in all versio...
Original description
The Wishlist Member plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'WishListMember3_Hooks::generate_api_key' function in all versions up to, and including, 3.30.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the REST API Secret Key, which can be used to create a new membership level assigned the administrator WordPress role, and register an arbitrary administrator-level user account, resulting in complete site takeover.
nvd CVSS3.1
8.8
Vulnerability type
CWE-269
Improper Privilege Management
Published: 23 May 2026 · Updated: 30 May 2026 · First seen: 26 May 2026