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CVE-2026-94267— Advanced Custom Fields: Extended < 0.9.2.8 - Unauthenticated RCE via Front-End Post Update Action

Quick assessment

Affected
Unknown Advanced Custom Fields: Extended
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 0.9.2.8 版本之前的"Advanced Custom Fields: Extended"WordPress 插件，以及同版本之前的"Advanced Custom Fields: Extended PRO"WordPress 插件，在通过其前端表单操作更新文章时未执行任何权限检查。这导致未经认证的访问者能够覆盖任意文章，包括存储站点自身字段定义的文章，进而引发服务器上的任意代码执行。利用该漏洞需要站点发布一个表单，该表单的“文章更新”动作将其目标和内容均映射为访客提交的值。

AI Predicted 9.8 Difficulty: Moderate
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I. Basic Information for CVE-2026-94267

Vulnerability Information
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Vulnerability Title
Advanced Custom Fields: Extended < 0.9.2.8 - Unauthenticated RCE via Front-End Post Update Action
Source: CVE Program / CVE List V5
Vulnerability Description
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress plugin before 0.9.2.8 does not perform any capability check when updating a post through one of its front-end form actions, allowing unauthenticated visitors to overwrite arbitrary posts, including the ones in which the site stores its own field definitions, which in turn leads to arbitrary code execution on the server. Exploitation requires the site to publish a form whose post-update action maps both its target and its content to visitor-submitted values.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Advanced Custom Fields: Extended 0 ~ 0.9.2.8 -
Unknown Advanced Custom Fields: Extended PRO 0 ~ 0.9.2.8 -

II. Public POCs for CVE-2026-94267

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III. Intelligence Information for CVE-2026-94267

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Other References for CVE-2026-94267 (1)

Same Patch Batch · Unknown · 2026-10-23 · 20 CVEs total

CVE-2026-111982 Profile Builder < 4.0.5 - Multisite Subsite Admin+ Network Super Admin Account Takeover vi
CVE-2026-110537 Essential Addons for Elementor < 6.8.7 - Admin+ Cross-Site User Approval State Change via
CVE-2026-110510 Essential Addons for Elementor < 6.8.7 - Author+ Content Injection via Pricing Table and P
CVE-2026-109935 Otter Blocks < 3.2.8 - Unauthenticated Restricted Block Content Disclosure via REST API
CVE-2026-109933 Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes
CVE-2026-109934 Otter Blocks 3.1.1 - 3.2.7 - Unauthenticated Non-Public Content Disclosure via REST API
CVE-2026-109936 Otter Blocks < 3.2.8 - Unauthenticated Stored XSS via Dynamic Content Render Filter
CVE-2026-111737 Speed Optimizer < 7.8.5 - Admin+ Stored XSS via DNS Prefetch and Font Preload URL Lists
CVE-2026-111738 Speed Optimizer < 7.8.5 - Admin+ Network Option Update via enable-option/disable-option
CVE-2026-111966 Profile Builder < 4.0.5 - Contributor+ Stored XSS via redirect_url Shortcode Attribute
CVE-2026-94268 Advanced Custom Fields: Extended 0.9.2.7 - Unauthenticated Administrator Account Takeover
CVE-2026-113472 Depicter 4.0.5 - 4.8.1 - Editor+ Arbitrary File Upload via Media Upload
CVE-2026-113501 LiteSpeed Cache < 7.9.2 - Subscriber+ Pinned Administrative Notice Dismissal
CVE-2026-113500 LiteSpeed Cache < 7.9.2 - Unauthenticated Stored XSS via Font Display Optimization
CVE-2026-113499 LiteSpeed Cache < 7.9.2 - Unauthenticated Stored XSS via CDN Inline CSS Rewriting
CVE-2026-112230 Popup Builder < 4.4.6 - Unauthenticated Popup Trashing via post_type Parameter
CVE-2026-112219 Download Monitor < 5.3.5 - Multisite Subsite Admin+ Incorrect Authorization via Approved D
CVE-2026-94264 Advanced Custom Fields: Extended 0.8.9.4 - 0.9.2.7 - Contributor+ XSS via Form Shortcode A
CVE-2026-94262 Advanced Custom Fields: Extended 0.9.2.7 - Unauthenticated Non-Administrator Account Takeo

IV. Related Vulnerabilities

Same product: Advanced Custom Fields: Extended
Same vendor: Unknown

V. Comments for CVE-2026-94267

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