CVE-2025-11863
📋 TL;DR
The My Geo Posts Free WordPress plugin has a stored cross-site scripting vulnerability that allows authenticated attackers with contributor-level access to inject malicious scripts into website pages. These scripts execute whenever users view the compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using this plugin version 1.2 or earlier are affected.
💻 Affected Systems
- My Geo Posts Free 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, deface pages, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect visitors to phishing pages, or display unwanted advertisements.
If Mitigated
With proper input validation and output escaping, the vulnerability would be eliminated, preventing script injection entirely.
🎯 Exploit Status
Exploitation requires authenticated access with contributor privileges or higher. The vulnerability is in the 'mygeo_city' shortcode's 'default' attribute handling.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/my-geo-posts-free/tags/1.2/inc/shortcodes.php#L22
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'My Geo Posts Free' and check for updates. 4. If update available, click 'Update Now'. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Remove Contributor Access
allTemporarily restrict contributor-level user accounts until patching is complete
Disable Shortcode
allRemove or disable the 'mygeo_city' shortcode from all posts and pages
🧯 If You Can't Patch
- Deactivate and remove the My Geo Posts Free plugin immediately
- Implement web application firewall rules to block XSS payloads targeting the 'mygeo_city' shortcode
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'My Geo Posts Free' version 1.2 or earlierCheck Version:
wp plugin list --name='my-geo-posts-free' --field=versionVerify Fix Applied:
Verify plugin version is 1.3 or later in WordPress admin panel, or confirm plugin is removed📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests containing 'mygeo_city' shortcode with script tags
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Outbound connections to suspicious domains from WordPress server
- Unusual JavaScript payloads in HTTP requests
SIEM Query:
source="wordpress.log" AND ("mygeo_city" AND ("<script>" OR "javascript:" OR "onerror="))