CVE-2025-12396
WordPress vulnerability analysis and mitigation

Overview

The clubmember plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2025-12396) discovered and disclosed on November 3, 2025. This vulnerability affects all versions up to and including 0.2, specifically impacting multi-site installations and installations where unfiltered_html has been disabled (NVD).

Technical details

The vulnerability is classified as a Stored Cross-Site Scripting (CWE-79) issue that exists due to insufficient input sanitization and output escaping in the admin settings. The severity is rated as Medium with a CVSS v3.1 base score of 4.4 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N) (NVD, Wordfence).

Impact

The vulnerability allows authenticated attackers with administrator-level permissions to inject arbitrary web scripts into pages. These injected scripts will execute whenever a user accesses the affected page (NVD).

Additional resources


SourceThis report was generated using AI

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