CVE-2024-39403
📋 TL;DR
A stored Cross-Site Scripting (XSS) vulnerability in Adobe Commerce allows low-privileged attackers to inject malicious JavaScript into vulnerable form fields. When victims browse pages containing these fields, the attacker can steal sensitive information like session cookies or credentials. This affects Adobe Commerce versions 2.4.7-p1, 2.4.6-p6, 2.4.5-p8, 2.4.4-p9 and earlier.
💻 Affected Systems
- Adobe Commerce
- Magento Open Source
📦 What is this software?
Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →Magento by Adobe
Magento (now Adobe Commerce) is a leading open-source e-commerce platform powering hundreds of thousands of online stores worldwide, processing billions in transactions across B2C, B2B, and marketplace models. Used by brands including Nike, Ford, Coca-Cola, Olympus, and thousands of mid-market retai...
Learn more about Magento →⚠️ Risk & Real-World Impact
Worst Case
Attacker steals administrator session cookies, gains full administrative access to the e-commerce platform, and exfiltrates customer payment information and personal data.
Likely Case
Attacker steals user session cookies to hijack accounts, performs actions on behalf of users, and exfiltrates sensitive information from user browsers.
If Mitigated
Attack is prevented through proper input validation and output encoding, with minimal impact beyond failed exploitation attempts.
🎯 Exploit Status
Exploitation requires low-privileged access to vulnerable form fields. The vulnerability is in the CWE-79 category which typically has low exploitation complexity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to Adobe Commerce 2.4.7-p2, 2.4.6-p7, 2.4.5-p9, 2.4.4-p10 or later
Vendor Advisory: https://helpx.adobe.com/security/products/magento/apsb24-61.html
Restart Required: Yes
Instructions:
1. Backup your Adobe Commerce instance and database. 2. Apply the security patch via Composer: composer require magento/product-community-edition=2.4.7-p2 (adjust version as needed). 3. Run setup upgrade: php bin/magento setup:upgrade. 4. Clear cache: php bin/magento cache:clean. 5. Restart web server services.
🔧 Temporary Workarounds
Implement Content Security Policy (CSP)
allAdd CSP headers to restrict script execution from unauthorized sources
Add to web server config: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval';"
For Nginx: add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval';";
For Apache: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval';
Enable XSS Protection Headers
allAdd HTTP headers to enable browser XSS filtering
For Nginx: add_header X-XSS-Protection "1; mode=block";
For Apache: Header set X-XSS-Protection "1; mode=block"
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads in form submissions
- Review and sanitize all user input in form fields, implement strict input validation and output encoding
🔍 How to Verify
Check if Vulnerable:
Check Adobe Commerce version via admin panel or command: php bin/magento --versionCheck Version:
php bin/magento --versionVerify Fix Applied:
Verify version is updated to patched version and test form fields for XSS by attempting to inject basic script payloads📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form endpoints with script tags or JavaScript code
- Multiple failed login attempts followed by form submissions with encoded payloads
Network Indicators:
- Outbound connections to suspicious domains from user browsers after visiting specific pages
- Unusual data exfiltration patterns from client browsers
SIEM Query:
source="web_access_logs" AND (uri_path="*form*" OR uri_path="*submit*") AND (http_method="POST") AND (request_body MATCHES "(?i)(<script|javascript:|onload=|onerror=)")