Vulnerability · Published Aug 19, 2025 · Assigned by Wordfence
CVE-2025-8723Cloudflare Image Resizing <= 1.5.6 - Missing Authentication to Unauthenticated Remote Code Execution via rest_pre_dispatch Hook
Critical 9.8
In plain English
A critical-severity code injection in Cloudflare Image Resizing – Optimize & Accelerate Your Images from mecanik. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 18.0% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
The Cloudflare Image Resizing plugin for WordPress is vulnerable to Remote Code Execution due to missing authentication and insufficient sanitization within its hook_rest_pre_dispatch() method in all versions up to, and including, 1.5.6. This makes it possible for unauthenticated attackers to inject arbitrary PHP into the codebase, achieving remote code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mecanik | Cloudflare Image Resizing – Optimize & Accelerate Your Images | 0 – through 1.5.6 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H