What’s Vulnerable › Vulnerabilities

CVE-2025-8723: Cloudflare Image Resizing <= 1.5.6 - Missing Authentication to Unauthenticated Remote Code Execution via rest_pre_dispatch Hook

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-19 · updated 2026-06-17
• Weakness: CWE-94

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

• mecanik Cloudflare Image Resizing – Optimize & Accelerate Your Images: through 1.5.6

References

• https://plugins.trac.wordpress.org/changeset/3337593/
• https://plugins.trac.wordpress.org/changeset/3341917/
• https://wordpress.org/plugins/cf-image-resizing/#developers
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0f3b3c1a-1d45-4e2f-854a-171fe759257b?source=cve

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