CVE-2025-4221
📋 TL;DR
The Animated Buttons WordPress plugin has a stored XSS vulnerability in its 'auto-downloader' shortcode. Authenticated attackers with contributor-level access or higher can inject malicious scripts that execute when users view affected pages. This affects all WordPress sites using the plugin version 1.0.0 or earlier.
💻 Affected Systems
- WordPress Animated Buttons 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 steal admin credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper user role management and content review, impact is limited to potential defacement of specific pages.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/animated-buttons/trunk/Animated_Buttons.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Animated Buttons' and click 'Update Now'. 4. Verify plugin version is 1.0.1 or higher.
🔧 Temporary Workarounds
Disable plugin
allTemporarily deactivate the Animated Buttons plugin until patched
wp plugin deactivate animated-buttons
Restrict user roles
allRemove contributor-level access from untrusted users
🧯 If You Can't Patch
- Remove contributor and author roles from all untrusted users
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Animated Buttons versionCheck Version:
wp plugin get animated-buttons --field=versionVerify Fix Applied:
Verify plugin version is 1.0.1 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode modifications in post/page content
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Unexpected JavaScript payloads in HTTP POST requests to wp-admin
SIEM Query:
source="wordpress" AND (event="plugin_update" AND plugin="animated-buttons" AND version<="1.0.0") OR (event="post_edit" AND user_role IN ("contributor","author","editor") AND content CONTAINS "auto-downloader")