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Plugin · acf-field-blocks
Blocks for ACF Fields
1 known vulnerability on record. Add your version above to see which ones affect you.
Jul 9, 2026Blocks for ACF Fields: Unauthorized access of dataCVE-2026-12428 · affects up to 1.6.2 · reported by WordfenceMedium 6.5
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.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
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