CVE-2025-52734
📋 TL;DR
This Cross-site Scripting (XSS) vulnerability in the ERA404 CropRefine WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using CropRefine plugin versions 1.2.1 and earlier. The vulnerability is reflected XSS, meaning the malicious input is immediately returned in the server's response.
💻 Affected Systems
- ERA404 CropRefine 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 session cookies, perform actions as authenticated users, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers steal user session cookies or credentials, perform unauthorized actions on behalf of users, or inject malicious content into pages viewed by other users.
If Mitigated
With proper input validation and output encoding, the malicious payloads would be neutralized before reaching users, preventing any exploitation.
🎯 Exploit Status
Exploitation requires user interaction (clicking a malicious link) and knowledge of vulnerable parameters. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.2.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'CropRefine' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Input Sanitization Filter
allAdd custom input validation to sanitize all user inputs before processing
// Example PHP code to sanitize inputs:
$clean_input = filter_var($_GET['parameter'], FILTER_SANITIZE_STRING);
Content Security Policy
allImplement CSP headers to restrict script execution sources
// Add to .htaccess or server config:
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
// WordPress function.php addition:
header("Content-Security-Policy: default-src 'self'");
🧯 If You Can't Patch
- Disable or remove the CropRefine plugin completely from WordPress
- Implement web application firewall (WAF) rules to block XSS payload patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for CropRefine version. If version is 1.2.1 or earlier, you are vulnerable.Check Version:
wp plugin list --name=croprefine --field=version (if WP-CLI installed) or check WordPress admin plugins pageVerify Fix Applied:
After updating, verify plugin version shows higher than 1.2.1. Test vulnerable parameters with basic XSS payloads like <script>alert('test')</script> to ensure they are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code
- Multiple failed attempts with XSS payload patterns in query parameters
- Requests to plugin-specific endpoints with suspicious parameters
Network Indicators:
- HTTP requests containing <script>, javascript:, or other XSS payload patterns in URL parameters
- Unusual outbound connections following user visits to plugin pages
SIEM Query:
source="web_server_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-content/plugins/croprefine/"