CVE-2025-59573
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages using the Cozy Blocks WordPress plugin. It affects all WordPress sites running Cozy Blocks versions up to 2.1.29, potentially compromising user sessions and site integrity.
💻 Affected Systems
- CozyThemes Cozy Blocks 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, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies, display unwanted content, or redirect users to phishing pages.
If Mitigated
With proper input validation and output encoding, the risk is limited to minor content manipulation without significant impact.
🎯 Exploit Status
Exploitation requires finding vulnerable input fields and crafting appropriate payloads, but no authentication is needed for basic XSS attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.30 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/cozy-addons/vulnerability/wordpress-cozy-blocks-plugin-2-1-29-content-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Cozy Blocks and click 'Update Now'. 4. Verify version is 2.1.30 or higher.
🔧 Temporary Workarounds
Disable Plugin
WordPressTemporarily disable the Cozy Blocks plugin until patched
wp plugin deactivate cozy-blocks
Content Security Policy
allImplement CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to functions.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with XSS protection rules
- Disable user input fields that accept HTML content in Cozy Blocks settings
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Cozy Blocks version numberCheck Version:
wp plugin get cozy-blocks --field=versionVerify Fix Applied:
Verify Cozy Blocks version is 2.1.30 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests containing script tags to plugin endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with script payloads in parameters
- Outbound connections to suspicious domains after page load
SIEM Query:
source="web_server" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri="*cozy*"