CVE-2022-0565
📋 TL;DR
This is a cross-site scripting (XSS) vulnerability in Pimcore's web interface that allows attackers to inject malicious scripts into web pages viewed by other users. It affects all Pimcore installations prior to version 10.3.1. Attackers could steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- pimcore/pimcore
📦 What is this software?
Pimcore by Pimcore
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full administrative access to the Pimcore instance, and potentially compromise the entire content management system and underlying infrastructure.
Likely Case
Attackers steal user session cookies, perform unauthorized actions as authenticated users, or redirect users to phishing sites.
If Mitigated
With proper input validation and output encoding, the impact is limited to minor UI disruption with no data compromise.
🎯 Exploit Status
XSS vulnerabilities are commonly weaponized. The commit shows specific input fields that were vulnerable to script injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.3.1
Vendor Advisory: https://github.com/pimcore/pimcore/commit/7697f709a501860144352696e583a2533a6e1245
Restart Required: No
Instructions:
1. Update Pimcore to version 10.3.1 or later using Composer: composer update pimcore/pimcore. 2. Clear application cache. 3. Verify the update completed successfully.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation to sanitize user inputs before processing
Content Security Policy
allImplement strict Content Security Policy headers to limit script execution
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads
- Disable or restrict access to vulnerable interface components if possible
🔍 How to Verify
Check if Vulnerable:
Check Pimcore version via admin interface or composer.json. If version is below 10.3.1, system is vulnerable.Check Version:
composer show pimcore/pimcore | grep versionVerify Fix Applied:
Verify version is 10.3.1 or higher. Test previously vulnerable input fields with XSS payloads to confirm they are now properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in input fields
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Suspicious JavaScript payloads in HTTP requests
- Unexpected redirects to external domains
SIEM Query:
web_requests WHERE (url CONTAINS "<script>" OR url CONTAINS "javascript:") AND dest_ip = [PIMCORE_IP]