CVE-2024-54393
📋 TL;DR
This vulnerability in the WP Fiddle WordPress plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into websites. All WordPress sites using WP Fiddle version 1.0 or earlier are affected.
💻 Affected Systems
- Sheikh Heera WP Fiddle 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 visitors to malicious sites, or takes full control of the WordPress site.
Likely Case
Attackers create fake admin interfaces or forms that trick administrators into executing actions that inject advertising scripts, cryptocurrency miners, or defacement content.
If Mitigated
With proper CSRF protections and content security policies, the attack surface is reduced, but the vulnerability still exists in the codebase.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into visiting a malicious page. The CSRF-to-XSS chain makes this particularly dangerous as it bypasses typical XSS protections.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-fiddle/vulnerability/wordpress-wp-fiddle-plugin-1-0-csrf-to-stored-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Fiddle and click 'Update Now'. 4. If no update is available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable WP Fiddle Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate wp-fiddle
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
- Remove WP Fiddle plugin completely from all WordPress installations
- Implement web application firewall rules to block suspicious POST requests to wp-admin/admin-ajax.php
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WP Fiddle version. If version is 1.0 or earlier, you are vulnerable.Check Version:
wp plugin get wp-fiddle --field=versionVerify Fix Applied:
After updating, verify WP Fiddle version is 1.0.1 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with wp_fiddle parameters
- Multiple failed CSRF token validations in WordPress debug logs
Network Indicators:
- Unexpected JavaScript injections in page source containing wp_fiddle references
- External script loads from unfamiliar domains in WordPress pages
SIEM Query:
source="wordpress.log" AND ("wp_fiddle" OR "admin-ajax.php") AND (POST OR "csrf")