CVE-2024-54401
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in Turcu Ciprian's Advanced Fancybox WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. When exploited, this enables malicious actors to inject arbitrary scripts into vulnerable WordPress sites. This affects all WordPress installations using Advanced Fancybox versions up to and including 1.1.1.
💻 Affected Systems
- Advanced Fancybox 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 could inject malicious JavaScript that steals administrator credentials, redirects users to phishing sites, or takes full control of the WordPress site.
Likely Case
Attackers inject malicious scripts that steal user session cookies or display unwanted content, potentially compromising user accounts and site integrity.
If Mitigated
With proper CSRF protections and content security policies, the attack surface is reduced, though the vulnerability remains present in unpatched versions.
🎯 Exploit Status
Exploitation requires tricking authenticated users into visiting malicious pages, but the technical complexity is low once the initial access is achieved.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Advanced Fancybox and click 'Update Now'. 4. Verify the plugin version is 1.1.2 or higher.
🔧 Temporary Workarounds
Disable Advanced Fancybox Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate advanced-fancybox
Implement CSRF Protection Headers
allAdd Content Security Policy headers to mitigate XSS impact.
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Disable the Advanced Fancybox plugin immediately.
- Implement web application firewall rules to block CSRF attempts and XSS payloads.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Advanced Fancybox. If version is 1.1.1 or lower, you are vulnerable.Check Version:
wp plugin get advanced-fancybox --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 1.1.2 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with Advanced Fancybox parameters
- JavaScript injection patterns in plugin settings or content
Network Indicators:
- CSRF token missing in requests to Advanced Fancybox endpoints
- Unexpected script tags in HTTP responses
SIEM Query:
source="wordpress.log" AND ("advanced-fancybox" OR "fancybox") AND (POST OR admin-ajax)