CVE-2026-8382— Advanced Custom Fields (ACF®) <= 6.8.1 - Unauthenticated Arbitrary Post Modification via Front-End Form '_post_title' and '_post_content' Parameters
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-8382
Vulnerability Information
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Vulnerability Title
Advanced Custom Fields (ACF®) <= 6.8.1 - Unauthenticated Arbitrary Post Modification via Front-End Form '_post_title' and '_post_content' Parameters
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Advanced Custom Fields (ACF®) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.8.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the post_title and post_content of any post bound to a publicly accessible acf_form() instance by injecting values into the _post_title and _post_content parameters of a form submission request.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) | 0 ~ 6.8.1 | - |
II. Public POCs for CVE-2026-8382
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-8382 (1)
Other References for CVE-2026-8382 (1)
Other References for CVE-2026-8382 (1)
IV. Related Vulnerabilities
Same vendor: wpengine
- CVE-2026-4029
Database Backup for WordPress <= 2.5.2 - Missing Authorizati - CVE-2026-4030
Database Backup for WordPress <= 2.5.2 - Missing Authorizati - CVE-2026-4031
Database Backup for WordPress <= 2.5.2 - Missing Authorizati - CVE-2026-4812
Advanced Custom Fields (ACF®) <= 6.7.0 - Unauthenticated Mis - CVE-2025-11427
WP Migrate Lite <= 2.7.6 - Unauthenticated Blind Server-Side
V. Comments for CVE-2026-8382
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