Authorization Bypass in uListing Plugin for WordPress

CVE-2021-4345

What is CVE-2021-4345?

The uListing plugin for WordPress has a vulnerability that allows unauthorized users to manipulate user roles and capabilities. Due to missing capability and nonce checks in the UlistingUserRole::save_role_api method, attackers can exploit this flaw to add or remove roles from users without needing authentication. This presents a significant risk to WordPress sites using affected versions up to and including 1.6.6, as it undermines user access controls and could lead to further exploitation.

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