CVE-2025-31570
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the wp-buy Related Posts Widget with Thumbnails WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using the plugin versions up to 1.2. Attackers can inject malicious scripts that execute when users visit affected pages.
💻 Affected Systems
- wp-buy Related Posts Widget with Thumbnails (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 inject malicious JavaScript that steals admin credentials, redirects users to malicious sites, or performs administrative actions on behalf of users, potentially leading to complete site compromise.
Likely Case
Attackers inject malicious scripts that display unwanted content, redirect users to spam sites, or steal session cookies from logged-in users.
If Mitigated
With proper CSRF protections and content security policies, the attack surface is reduced, though the vulnerability still exists in the plugin code.
🎯 Exploit Status
Exploitation requires tricking an authenticated user (typically an admin) into visiting a malicious page while logged in. The CSRF leads to stored XSS payload injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.2 (check plugin repository for latest)
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Related Posts Widget with Thumbnails'. 4. Click 'Update Now' if available, or delete and install latest version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched
Implement CSRF Tokens
allAdd CSRF protection to WordPress forms if custom implementation is possible
🧯 If You Can't Patch
- Remove the plugin entirely and use alternative related posts functionality
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for 'Related Posts Widget with Thumbnails' version 1.2 or earlier
Check Version:
wp plugin list --name='related-posts-widget-with-thumbnails' --field=version (if WP-CLI installed)
Verify Fix Applied:
Verify plugin version is updated to latest (after 1.2) in WordPress admin plugins page
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php or plugin-specific endpoints
- JavaScript injection in database content related to posts/widgets
Network Indicators:
- CSRF attack patterns with missing referrer headers or nonce validation
SIEM Query:
source="wordpress" AND (uri_path="*admin-ajax.php*" OR plugin="related-posts-widget-with-thumbnails") AND status=200