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Vulnerability record · CVE-2026-6898 · published 23 May 2026

CVE-2026-6898: Improper privilege management vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.44% · top 64.1% CWE-269 · Improper privilege management Deferred
8.8CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
23 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://wishlistmember.com/
https://www.wordfence.com/threat-intel/vulnerabilities/id/05ce62ce-a02f-431e-95b1-ade38988e3ad?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-6898), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.