CVE-2024-9106
📋 TL;DR
The Wechat Social login plugin for WordPress versions up to 1.3.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any existing user, including administrators, if they know the user ID. This affects WordPress sites using the vulnerable plugin with the app secret left at its default empty value.
💻 Affected Systems
- Wechat Social login WordPress plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative access to the WordPress site, enabling data theft, defacement, malware injection, and complete system compromise.
Likely Case
Attackers gain unauthorized access to user accounts, potentially escalating privileges to administrative roles and compromising sensitive data.
If Mitigated
If the app secret is properly configured, the vulnerability cannot be exploited, maintaining normal authentication controls.
🎯 Exploit Status
Exploitation requires knowledge of user IDs, which can often be enumerated through WordPress features or predictable patterns.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.1
Vendor Advisory: https://plugins.trac.wordpress.org/browser/wechat-social-login/trunk/add-ons/social-qq/class-xh-social-channel-qq.php?rev=2080785#L284
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Wechat Social login' and update to version 1.3.1 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Set App Secret
allConfigure a non-empty app secret in the plugin settings to prevent exploitation.
Disable Plugin
allTemporarily disable the Wechat Social login plugin until patched.
🧯 If You Can't Patch
- Set a strong, unique app secret in the plugin configuration immediately.
- Disable the Wechat Social login plugin entirely until patching is possible.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Wechat Social login version. If version is 1.3.0 or earlier, the system is vulnerable.Check Version:
wp plugin list --name='wechat-social-login' --field=versionVerify Fix Applied:
Confirm plugin version is 1.3.1 or later in WordPress admin panel. Test authentication functionality remains working.📡 Detection & Monitoring
Log Indicators:
- Unusual login patterns from unexpected IPs, multiple failed login attempts followed by successful logins as different users, administrative actions from non-admin IPs.
Network Indicators:
- HTTP POST requests to social login endpoints with manipulated user parameters, unusual authentication traffic patterns.
SIEM Query:
source="wordpress.log" AND ("wechat-social-login" OR "xh_social_channel_qq") AND ("user_id" OR "authentication")