CVE-2025-62901
📋 TL;DR
This stored XSS vulnerability in the WP Microdata WordPress plugin allows attackers to inject malicious scripts into web pages that persist in the database and execute when other users view the affected pages. All WordPress sites using WP Microdata version 1.0 or earlier are affected. Attackers can steal session cookies, redirect users, or perform actions on behalf of authenticated users.
💻 Affected Systems
- WP Microdata 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, install backdoors, deface the website, or use the compromised site to attack visitors.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing sites, or perform actions as authenticated users.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before being stored or displayed.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public PoC is mentioned in the reference, similar WordPress plugin XSS vulnerabilities often have readily available exploitation methods.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Microdata and click 'Update Now' if available. 4. If no update is available, deactivate and delete the plugin immediately. 5. Consider alternative microdata plugins if functionality is needed.
🔧 Temporary Workarounds
Disable WP Microdata Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate wp-microdata
Implement Content Security Policy
allAdd CSP headers to mitigate XSS impact by restricting script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to WordPress functions.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Immediately deactivate and remove the WP Microdata plugin from all WordPress installations
- Implement web application firewall (WAF) rules to block XSS payloads targeting the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WP Microdata version. If version is 1.0 or earlier, you are vulnerable.Check Version:
wp plugin get wp-microdata --field=versionVerify Fix Applied:
After update, verify WP Microdata version is 1.0.1 or later in WordPress admin plugins page.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-microdata plugin endpoints
- JavaScript payloads in request parameters to microdata-related endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing script tags or JavaScript code in parameters to /wp-content/plugins/wp-microdata/ paths
- Unexpected outbound connections from WordPress server after visiting microdata-enhanced pages
SIEM Query:
source="web_server_logs" AND (uri_path="/wp-content/plugins/wp-microdata/" AND (request_body CONTAINS "<script>" OR request_body CONTAINS "javascript:"))