CVE-2025-23434
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Easy EU Cookie Law WordPress plugin allows attackers to inject malicious scripts that execute when other users view affected pages. The vulnerability affects all WordPress sites using versions 1.3.3.1 and earlier of the plugin. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- Easy EU Cookie Law 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 visitors to malicious sites, potentially compromising the entire web server if combined with other vulnerabilities.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, potentially gaining unauthorized access to user accounts and performing actions on their behalf.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing any impact.
🎯 Exploit Status
Exploitation requires contributor-level access or higher to inject malicious scripts, but once injected, the payload executes for all users viewing the affected content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.3.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Easy EU Cookie Law' and click 'Update Now'. 4. Alternatively, download the latest version from WordPress.org and replace the plugin files via FTP/SFTP.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate easy-eu-cookie-law
Content Security Policy
allImplement CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "script-src 'self'";
🧯 If You Can't Patch
- Disable the Easy EU Cookie Law plugin immediately
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Easy EU Cookie Law versionCheck Version:
wp plugin get easy-eu-cookie-law --field=versionVerify Fix Applied:
Verify plugin version is 1.3.3.2 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Suspicious JavaScript in database content fields
- Multiple failed authentication attempts followed by successful contributor/admin login
Network Indicators:
- HTTP requests containing script tags or JavaScript payloads to plugin endpoints
- Outbound connections to suspicious domains after visiting affected pages
SIEM Query:
source="wordpress.log" AND ("easy-eu-cookie-law" OR "cookie-law") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")