CVE-2026-3906
WordPress 6.9 - 6.9.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Note Creation via REST API
描述
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.
如何修補 CVE-2026-3906
要修補 CVE-2026-3906,請將受影響套件升級到下列已修補版本。
- —升級至 6.9.2 或更新版本
- —升級至 6.9.2 或更新版本
- —升級至 6.9.4+dfsg1-1 或更新版本
CVE-2026-3906 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- >= 6.9.0, < 6.9.2
- >= 6.9.0, < 6.9.2
- from 0, < 6.9.4+dfsg1-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |