CVE-2024-11338
📋 TL;DR
This vulnerability allows authenticated WordPress users with Subscriber-level access or higher to inject malicious scripts into web pages via the 'gtm' and 'venue' parameters in the PIXNET Plugin. The injected scripts execute whenever users view the compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using PIXNET Plugin versions up to 2.9.10 are affected.
💻 Affected Systems
- PIXNET Plugin for WordPress
⚠️ 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 could steal administrator credentials, take over the WordPress site, deface pages, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies, redirect users to phishing pages, or display unwanted advertisements.
If Mitigated
With proper input validation and output escaping, the vulnerability would be prevented, and only legitimate content would be displayed.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward due to insufficient input sanitization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.9.11 or later
Vendor Advisory: https://wordpress.org/plugins/pixnet/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find PIXNET Plugin and click 'Update Now'. 4. Verify version is 2.9.11 or higher.
🔧 Temporary Workarounds
Disable PIXNET Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate pixnet
Restrict User Registration
allPrevent new user accounts from being created to reduce attack surface.
wp option update users_can_register 0
🧯 If You Can't Patch
- Remove Subscriber and higher roles from untrusted users.
- Implement web application firewall (WAF) rules to block XSS payloads in 'gtm' and 'venue' parameters.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for PIXNET Plugin version 2.9.10 or lower.Check Version:
wp plugin list --name=pixnet --field=versionVerify Fix Applied:
Confirm PIXNET Plugin version is 2.9.11 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or similar endpoints with 'gtm' or 'venue' parameters containing script tags.
- Multiple failed login attempts followed by successful Subscriber-level login.
Network Indicators:
- HTTP requests with JavaScript payloads in 'gtm' or 'venue' parameters.
- Outbound connections to suspicious domains from WordPress server.
SIEM Query:
source="wordpress.log" AND ("gtm=<script" OR "venue=<script")