CVE-2026-3906

CVE-2026-3906 · WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API

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WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature (block-level collaboration annotations) was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor. However, the REST API `create_item_permissions_check()` method in the comments controller did not verify that the authenticated user has `edit_post` permission on the target post when creating a note. This makes it possible for authenticated attackers with Subscriber-level access to create notes on any post, including posts authored by other users, private posts, and posts in any status.

CVSS 4.3 · Средний · EPSS 0,3% · Есть исправление

Опубликовано

2026-03-11T09:25:44.130Z

Обновлено

2026-03-11T13:18:53.880Z

Стек: system

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