CVE-2026-1730
📋 TL;DR
The OS DataHub Maps WordPress plugin has an arbitrary file upload vulnerability that allows authenticated attackers with Author-level access or higher to upload malicious files to the server. This can lead to remote code execution on affected WordPress sites. All versions up to and including 1.8.3 are vulnerable.
💻 Affected Systems
- OS DataHub Maps 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
Full server compromise through remote code execution, allowing attackers to install backdoors, steal data, deface websites, or pivot to other systems.
Likely Case
Website defacement, malware distribution, credential theft, or unauthorized access to sensitive data.
If Mitigated
Limited impact if proper file permissions and web application firewalls are in place, though the vulnerability still exists.
🎯 Exploit Status
Exploitation requires Author-level credentials but is technically simple once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.4
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3452323/os-datahub-maps
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find OS DataHub Maps plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.8.4+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate os-datahub-maps
Restrict File Uploads
allConfigure web application firewall to block suspicious file uploads
🧯 If You Can't Patch
- Remove Author and higher role access from untrusted users
- Implement strict file upload validation at web server level
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → OS DataHub Maps → Version. If version is 1.8.3 or lower, you are vulnerable.
Check Version:
wp plugin get os-datahub-maps --field=version
Verify Fix Applied:
Verify plugin version is 1.8.4 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to wp-content/uploads/os-datahub-maps/
- POST requests to admin-ajax.php with file upload parameters
- Unauthorized PHP file creation in upload directories
Network Indicators:
- HTTP POST requests with file uploads to WordPress admin endpoints
- Unusual outbound connections from web server after file upload
SIEM Query:
source="wordpress.log" AND ("os-datahub-maps" OR "admin-ajax.php") AND ("upload" OR "add_file")
🔗 References
- https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/include/osmap-admin.php?rev=3449192#L51
- https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/include/osmap-admin.php?rev=3449192#L67
- https://plugins.trac.wordpress.org/browser/os-datahub-maps/trunk/os-datahub-maps.php?rev=3449192#L87
- https://plugins.trac.wordpress.org/changeset/3452323/os-datahub-maps
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c32ba2a0-a9a7-4f17-8169-912cecc40b7b?source=cve