CVE-2025-8723Public exploitNetwork attack vector

Unauthenticated PHP execution via unsanitized settings write

Published Aug 19, 2025 · Updated Apr 8, 2026

Code injection in Mecanik Cloudflare Image Resizing 1.5.6 and earlier allows remote attackers to execute arbitrary PHP without authentication. hook_rest_pre_dispatch accepts cf_image_resizing_fit from unauthenticated REST settings requests and writes it into config.php without neutralizing PHP syntax. A crafted settings POST can persist attacker-controlled PHP in the plugin configuration and execute it in the WordPress server context.

CVSS severity9.8
Critical
EPSS probability15.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Mecanik Cloudflare Image Resizing 1.5.6 and earlier allows remote attackers to execute arbitrary PHP without authentication. hook_rest_pre_dispatch accepts cf_image_resizing_fit from unauthenticated REST settings requests and writes it into config.php without neutralizing PHP syntax. A crafted settings POST can persist attacker-controlled PHP in the plugin configuration and execute it in the WordPress server context.

The record

CVE
CVE-2025-8723
Published
Aug 19, 2025
Updated
Apr 8, 2026
Vendor
Mecanik
Product
Cloudflare Image Resizing – Optimize & Accelerate Your Images
Classifications
CWE-94, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.5.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mecanik · Cloudflare Image Resizing – Optimize & Accelerate Your Imagesversion=0 <=1.5.6

Published CVSS scores

9.8WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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