CVE-2026-12428— WordPress Blocks for ACF Fields 授权问题漏洞

Blocks for ACF Fields <= 1.6.2 - Missing Authorization to Authenticated (Author+) Arbitrary ACF Field Value Disclosure via 'id' Parameter

The Blocks for ACF Fields plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the get_all_values() function in the /wp-json/acf-field-blocks/v1/values REST endpoint in versions up to, and including, 1.6.2. The permission_callback only verifies the generic publish_posts capability and the handler passes a user-supplied id parameter directly to get_field_objects() without verifying that the requesting user is authorized to read the target object. This makes it possible for authenticated attackers, with Author-level access and above, to read ACF field values from arbitrary posts (including private posts, drafts, posts by other users, and other ACF-supported objects) that they should not have access to.

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

授权机制缺失

WordPress Blocks for ACF Fields 授权问题漏洞

WordPress Blocks for ACF Fields是WordPress基金会的一个在块编辑器中显示自定义字段的插件。 WordPress Blocks for ACF Fields 1.6.2及之前版本存在授权问题漏洞，该漏洞源于对get_all_values()函数缺少权限检查，可能导致经过身份验证的攻击者读取任意文章的ACF字段值。

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