CVE-2026-21311
📋 TL;DR
This stored Cross-Site Scripting (XSS) vulnerability in Adobe Commerce allows high-privileged attackers to inject malicious JavaScript into vulnerable form fields. When victims browse pages containing these fields, their sessions can be hijacked, leading to potential data theft or unauthorized actions. Affected versions include Adobe Commerce 2.4.9-alpha3 through 2.4.4-p16 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 →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
Complete session takeover leading to administrative account compromise, data exfiltration, and potential privilege escalation across the Adobe Commerce instance.
Likely Case
Session hijacking of administrative users leading to unauthorized access to sensitive customer data, order manipulation, or configuration changes.
If Mitigated
Limited impact with proper input validation and output encoding in place, potentially only affecting specific form fields with restricted functionality.
🎯 Exploit Status
Exploitation requires authenticated high-privileged access and specific knowledge of vulnerable form fields.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply security updates as specified in APSB26-05 advisory
Vendor Advisory: https://helpx.adobe.com/security/products/magento/apsb26-05.html
Restart Required: Yes
Instructions:
1. Review APSB26-05 advisory. 2. Apply appropriate security updates for your Adobe Commerce version. 3. Clear cache and restart services. 4. Test functionality after patching.
🔧 Temporary Workarounds
Input Validation Enhancement
allImplement additional input validation and output encoding for form fields
Implement Content Security Policy (CSP) headers
Add input sanitization for all user-controllable form fields
Privilege Reduction
allLimit administrative access and implement principle of least privilege
Review and reduce administrative user accounts
Implement role-based access controls
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to prevent script execution
- Enable web application firewall (WAF) rules specifically targeting XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check Adobe Commerce version against affected versions list in APSB26-05Check Version:
php bin/magento --versionVerify Fix Applied:
Verify version is updated beyond affected versions and test form fields for XSS vulnerabilities📡 Detection & Monitoring
Log Indicators:
- Unusual administrative user activity
- Multiple failed login attempts followed by successful login
- Suspicious form submissions with script tags
Network Indicators:
- Unexpected JavaScript payloads in HTTP requests
- Suspicious administrative session patterns
SIEM Query:
source="adobe_commerce_logs" AND ("script" OR "javascript" OR "onload" OR "onerror") AND user_role="admin"