CVE-2025-67535
📋 TL;DR
This vulnerability allows attackers to inject malicious PHP objects through deserialization of untrusted data in the WP Maps WordPress plugin. All WordPress sites using WP Maps plugin versions up to and including 4.8.6 are affected. Successful exploitation could lead to remote code execution or other malicious activities.
💻 Affected Systems
- WePlugins WP Maps (wp-google-map-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
Remote code execution leading to complete site compromise, data theft, malware installation, or site defacement.
Likely Case
Unauthenticated attackers executing arbitrary code, modifying site content, or gaining administrative access.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though deserialization vulnerabilities remain serious.
🎯 Exploit Status
Deserialization vulnerabilities in WordPress plugins are frequently exploited in the wild. The Patchstack reference indicates public disclosure and likely exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.8.7 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Maps' plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 4.8.7+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable WP Maps Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate wp-google-map-plugin
Restrict Plugin Access
allUse web application firewall to block requests to vulnerable plugin endpoints.
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user-supplied data
- Deploy web application firewall with rules to detect and block deserialization attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WP Maps version. If version is 4.8.6 or lower, you are vulnerable.
Check Version:
wp plugin get wp-google-map-plugin --field=version
Verify Fix Applied:
After updating, verify WP Maps plugin version shows 4.8.7 or higher in WordPress admin.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-google-map-plugin endpoints
- PHP errors related to unserialize() or object injection
- Unexpected file creation or modification
Network Indicators:
- HTTP requests containing serialized PHP objects in parameters
- Traffic patterns targeting /wp-content/plugins/wp-google-map-plugin/
SIEM Query:
source="web_server" AND (uri="*wp-google-map-plugin*" OR uri="*wp-content/plugins/wp-google-map-plugin*") AND (method="POST" OR params="*O:*" OR params="*C:*")