CVE-2025-63055
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in Master Addons for Elementor allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. It affects WordPress sites using the Master Addons for Elementor plugin version 2.0.9.9 and earlier. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- Master Addons for Elementor 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 steal administrator credentials, take over the WordPress site, install backdoors, or redirect all visitors to malicious sites.
Likely Case
Attackers inject malicious scripts to steal user session cookies, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before reaching users.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.0.9.9
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Master Addons for Elementor' and click 'Update Now'. 4. Verify the plugin version is above 2.0.9.9.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Master Addons for Elementor plugin until patched
wp plugin deactivate master-addons
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Remove the Master Addons for Elementor plugin completely and use alternative Elementor addons
- Implement web application firewall (WAF) rules to block XSS payloads targeting this plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Master Addons for Elementor versionCheck Version:
wp plugin list --name=master-addons --field=versionVerify Fix Applied:
Verify plugin version is above 2.0.9.9 in WordPress admin or using: wp plugin list --name=master-addons --field=version📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or admin-post.php containing script tags
- Multiple failed login attempts followed by successful login from new IP
Network Indicators:
- Outbound connections to suspicious domains from WordPress server
- Unexpected redirects in HTTP responses
SIEM Query:
source="wordpress.log" AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")