CVE-2024-50550
📋 TL;DR
This vulnerability allows attackers to escalate privileges in LiteSpeed Cache WordPress plugin due to incorrect privilege assignment. Attackers can gain higher-level access than intended, potentially compromising WordPress sites. All WordPress installations using LiteSpeed Cache versions up to 6.5.1 are affected.
💻 Affected Systems
- LiteSpeed Cache WordPress Plugin
📦 What is this software?
Litespeed Cache by Litespeedtech
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover where attackers gain administrative access, install backdoors, steal sensitive data, deface websites, or use the site for further attacks.
Likely Case
Attackers gain elevated privileges to modify content, install malicious plugins/themes, or access sensitive user data.
If Mitigated
Limited impact with proper access controls, monitoring, and network segmentation preventing lateral movement.
🎯 Exploit Status
Requires some level of initial access to WordPress, but privilege escalation is straightforward once initial foothold is achieved.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.2 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/litespeed-cache/wordpress-litespeed-cache-plugin-6-5-1-privilege-escalation-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find LiteSpeed Cache and click 'Update Now'. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable LiteSpeed Cache Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate litespeed-cache
Restrict User Access
allLimit user accounts and permissions to minimize attack surface
🧯 If You Can't Patch
- Implement strict access controls and principle of least privilege for all WordPress user accounts
- Enable comprehensive logging and monitoring for privilege escalation attempts and unusual user activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins > LiteSpeed Cache version. If version is 6.5.1 or earlier, you are vulnerable.Check Version:
wp plugin get litespeed-cache --field=versionVerify Fix Applied:
After updating, verify LiteSpeed Cache version is 6.5.2 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual user privilege changes in WordPress logs
- Multiple failed login attempts followed by successful privilege escalation
- Administrative actions from non-admin users
Network Indicators:
- Unusual outbound connections from WordPress server after privilege escalation
SIEM Query:
source="wordpress" AND (event_type="user_role_change" OR event_type="privilege_escalation")