CVE-2023-46242
📋 TL;DR
CVE-2023-46242 is a critical vulnerability in XWiki Platform that allows authenticated users with programming privileges to execute arbitrary content with the rights of any user via a crafted URL. This can lead to privilege escalation and remote code execution. All XWiki installations with users having programming privileges are affected.
💻 Affected Systems
- XWiki Platform
📦 What is this software?
Xwiki by Xwiki
Xwiki by Xwiki
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via remote code execution with administrative privileges, leading to data theft, system takeover, or lateral movement.
Likely Case
Privilege escalation allowing attackers to execute arbitrary code with elevated permissions, potentially gaining administrative control over the XWiki instance.
If Mitigated
Limited impact if programming privileges are strictly controlled and only granted to trusted administrators.
🎯 Exploit Status
Exploitation requires authenticated access with programming privileges. The vulnerability is in URL handling and can be triggered via crafted requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 14.10.7 or 15.2RC1
Vendor Advisory: https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-hgpw-6p4h-j6h5
Restart Required: Yes
Instructions:
1. Backup your XWiki installation and database. 2. Download XWiki 14.10.7 or 15.2RC1 from official sources. 3. Follow XWiki upgrade documentation for your deployment method. 4. Restart the XWiki service/application server.
🔧 Temporary Workarounds
No official workarounds
allThe vendor states there are no known workarounds for this vulnerability.
🧯 If You Can't Patch
- Immediately revoke programming privileges from all non-essential users
- Implement strict network access controls to limit XWiki access to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Check XWiki version via Administration → About XWiki or by examining the WAR file version. If version is below 14.10.7 or not 15.2RC1, you are vulnerable.Check Version:
Check XWiki web interface at /xwiki/bin/view/Admin/About or examine xwiki-core-*.jar version in installation directory.Verify Fix Applied:
After upgrade, verify version shows 14.10.7 or 15.2RC1 in Administration → About XWiki.📡 Detection & Monitoring
Log Indicators:
- Unusual URL patterns with crafted parameters
- Requests to privileged endpoints from non-admin users
- Sudden privilege escalation events
Network Indicators:
- HTTP requests with crafted URL parameters targeting XWiki endpoints
- Unusual traffic patterns to XWiki from internal users
SIEM Query:
source="xwiki.log" AND (url="*programming*" OR url="*rights*" OR url="*privilege*") AND status="200"🔗 References
- https://github.com/xwiki/xwiki-platform/commit/cf8eb861998ea423c3645d2e5e974420b0e882be
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-hgpw-6p4h-j6h5
- https://jira.xwiki.org/browse/XWIKI-20386
- https://github.com/xwiki/xwiki-platform/commit/cf8eb861998ea423c3645d2e5e974420b0e882be
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-hgpw-6p4h-j6h5
- https://jira.xwiki.org/browse/XWIKI-20386
