CVE-2022-29258
📋 TL;DR
This CVE describes a cross-site scripting (XSS) vulnerability in XWiki Platform Filter UI that allows attackers to inject malicious scripts into form fields on the application's home page. When exploited, this could lead to session hijacking, credential theft, or unauthorized actions. Affected users are those running XWiki versions 6.0-milestone-2 through 5.4.4 and prior to 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3.
💻 Affected Systems
- XWiki Platform Filter UI
📦 What is this software?
Xwiki by Xwiki
Xwiki by Xwiki
Xwiki by Xwiki
⚠️ Risk & Real-World Impact
Worst Case
Complete account takeover, data exfiltration, or administrative privilege escalation through session hijacking or credential theft.
Likely Case
Session hijacking leading to unauthorized access to user accounts and potential data manipulation.
If Mitigated
Limited impact with proper input validation and output encoding in place, potentially only affecting non-sensitive data.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity, especially when unauthenticated access is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.10.11, 14.0-rc-1, 13.4.7, or 13.10.3
Vendor Advisory: https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-xjfw-5vv5-vjq2
Restart Required: Yes
Instructions:
1. Upgrade XWiki to version 12.10.11, 14.0-rc-1, 13.4.7, or 13.10.3. 2. Restart the XWiki service. 3. Verify the patch is applied by checking the version.
🔧 Temporary Workarounds
Manual Wiki Page Edit
allEdit the Filter.FilterStreamDescriptorForm wiki page to apply security fixes as per GitHub advisory instructions.
Edit Filter.FilterStreamDescriptorForm page using wiki editor with instructions from GitHub advisory
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Apply input validation and output encoding at the application layer
🔍 How to Verify
Check if Vulnerable:
Check XWiki version against affected ranges: 6.0-milestone-2 through 5.4.4 and versions prior to 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3.Check Version:
Check XWiki administration panel or configuration files for version information.Verify Fix Applied:
Verify XWiki version is 12.10.11, 14.0-rc-1, 13.4.7, or 13.10.3 or later.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Filter.FilterStreamDescriptorForm with script tags or JavaScript payloads
- Error logs showing malformed input in form fields
Network Indicators:
- HTTP requests containing script tags or JavaScript in form field parameters
SIEM Query:
source="xwiki" AND (http_method="POST" AND uri="*Filter.FilterStreamDescriptorForm*" AND (content="<script>" OR content="javascript:"))🔗 References
- https://github.com/xwiki/xwiki-platform/commit/21906acb5ee2304552f56f9bbdbf8e7d368f7f3a
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-xjfw-5vv5-vjq2
- https://jira.xwiki.org/browse/XWIKI-19293
- https://github.com/xwiki/xwiki-platform/commit/21906acb5ee2304552f56f9bbdbf8e7d368f7f3a
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-xjfw-5vv5-vjq2
- https://jira.xwiki.org/browse/XWIKI-19293
