Remote Code Execution Vulnerability in Cloudflare Image Resizing Plugin for WordPress
CVE-2025-8723

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Cloudflare Image Resizing – Optimize & Accelerate Your Images
Vendor
CVE Published:
19 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8723?

The Cloudflare Image Resizing plugin for WordPress is susceptible to a serious security flaw due to the lack of proper authentication and inadequate data sanitization within its hook_rest_pre_dispatch() method. This vulnerability permits unauthenticated attackers to inject arbitrary PHP code into the plugin's codebase. Consequently, this can lead to remote code execution, posing significant risks to websites that utilize this plugin. This issue affects all versions of the plugin up to, and including, version 1.5.6.

Affected Version(s)

Cloudflare Image Resizing – Optimize & Accelerate Your Images * <= 1.5.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-8723
Created by Nxploited

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/cf-image-resizing/#developers
https://plugins.trac.wordpress.org/changeset/3337593/

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kenneth Dunn
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CVE-2025-8723 : Remote Code Execution Vulnerability in Cloudflare Image Resizing Plugin for WordPress