CVE-2025-32432: Craft CMS Remote Code Execution Flaw

CVE-2025-32432 Overview

Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. Starting from version 3.0.0-RC1 to before 3.9.15, 4.0.0-RC1 to before 4.14.15, and 5.0.0-RC1 to before 5.6.17, Craft is vulnerable to remote code execution. This is a high-impact, low-complexity attack vector. This issue has been patched in versions 3.9.15, 4.14.15, and 5.6.17, and is an additional fix for CVE-2023-41892.

Critical Impact
Remote Code Execution vulnerabilities allow attackers to execute arbitrary commands on the server, potentially leading to complete system compromise.

Affected Products

Craft CMS from version 3.0.0-RC1 to before 3.9.15
Craft CMS from version 4.0.0-RC1 to before 4.14.15
Craft CMS from version 5.0.0-RC1 to before 5.6.17

Discovery Timeline

2025-04-25 - CVE-2025-32432 published to NVD
2025-04-28 - Last updated in NVD database

Technical Details for CVE-2025-32432

Vulnerability Analysis

The vulnerability stems from improper handling of user inputs, allowing injection of malicious commands through unsanitized inputs. This leads to a remote code execution scenario with critical implications regarding system integrity.

Root Cause

The root cause is a lack of input validation in critical components of the CMS, which allows attackers to inject and execute arbitrary code.

Attack Vector

Network-based attackers can exploit this flaw remotely by sending crafted requests to the vulnerable versions of Craft CMS.

python

# Example exploitation code
import requests

url = "http://target-craftcms.com/some_vulnerable_endpoint"
payload = "<malicious_code>"

response = requests.post(url, data=payload)
print(response.text)

Detection Methods for CVE-2025-32432

Indicators of Compromise

Unexpected outbound network connections originating from the CMS
Logs showing unusual spikes in POST requests
Presence of unauthorized files or changes in the CMS directories

Detection Strategies

Utilize network intrusion detection systems to monitor for anomalies associated with outbound traffic. Analyze logs for spikes in specific POST request patterns.

Monitoring Recommendations

Regularly update and review web server logs to detect unusual activity patterns. Employ a web application firewall (WAF) to provide an additional layer of security monitoring.

How to Mitigate CVE-2025-32432

Immediate Actions Required

Disable any unnecessary plugins that could exacerbate the vulnerability.
Restrict network access to the CMS admin interface.
Ensure all deployments are automatically backing up data regularly.

Patch Information

The issue has been patched in Craft CMS versions 3.9.15, 4.14.15, and 5.6.17. Detailed instructions for updating are available from the Craft CMS GitHub commit.

Workarounds

Apply strict input validation to all user-input fields as a temporary measure until a full patch can be applied.

bash

# Example configuration hardening
sudo ufw allow from <your_ip> to any port 80
sudo ufw allow from <your_ip> to any port 443