ExploitPublished 26 Aug 2025

StoryChief Wordpress Plugin 1.0.42 · Arbitrary File Upload

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Severity

Medium

Rated by Threat Radar

Data as of 23 Nov 2025, 23:47 UTC

What to do

AI-suggested

1. Immediately identify and isolate all WordPress installations using the StoryChief plugin version 1.0.42 or earlier. 2. If a patched version is released, apply the update without delay. In the absence of a patch, consider disabling or uninstalling the plugin until a fix is available. 3. Implement strict file upload validation on the server side, restricting allowed file types and verifying file contents beyond extensions. 4. Deploy a Web Application Firewall (WAF) with rules to detect and block suspicious file upload attempts targeting the plugin endpoints. 5. Monitor web server logs for unusual POST requests or file uploads associated with the plugin’s upload functionality. 6. Conduct regular integrity checks on web directories to detect unauthorized files or web shells. 7. Harden WordPress installations by limiting plugin usage to trusted and actively maintained plugins only. 8. Educate web administrators and developers about the risks of arbitrary file upload vulnerabilities and the importance of timely patching. 9. Employ network segmentation to limit the impact of a compromised web server on internal systems. 10. Prepare incident response plans specifically addressing web server compromises and file upload abuse scenarios.

Description

StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload

Impact

For European organizations, the arbitrary file upload vulnerability in the StoryChief WordPress plugin can have severe consequences. Attackers can gain unauthorized access to web servers, leading to potential data breaches involving sensitive customer or corporate data. The integrity of websites can be compromised through defacement or insertion of malicious content, damaging brand reputation and customer trust. Additionally, attackers may use compromised servers as footholds to launch further attacks within corporate networks or to distribute malware to visitors. This is particularly critical for organizations relying heavily on their web presence for marketing, sales, or customer engagement. The disruption or downtime caused by exploitation can result in financial losses and regulatory penalties, especially under GDPR for data breaches. The vulnerability also increases the attack surface for ransomware or supply chain attacks if the compromised server is part of a larger infrastructure. European organizations with limited cybersecurity resources or delayed patch management processes are especially vulnerable. The absence of a patch at the time of disclosure necessitates immediate defensive measures to reduce exposure.

Indicators of compromise

Exploit source code

Exploit code for StoryChief Wordpress Plugin 1.0.42 - Arbitrary File UploadPHP · 3,321 characters

# Exploit Title: StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload
# Exploit Author: xpl0dec
# Vendor Homepage: https://www.storychief.io/wordpress-content-scheduler
# Software Link: https://github.com/Story-Chief/wordpress/
# Version: <= 1.0.42
# Tested on: Linux
# CVE : CVE-2025-7441
# CVSS Score : 9.8


# Step to reproduce :
# 1. Create a file with the .php extension and fill it with:
# <?php 
# header(“Content-Type: image/jpeg”);
# echo “<?php phpinfo(); ?>”;
# ?>
# 2. Adjust the ec…

References

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