CVE-2025-48304
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the Gary Illyes Google XML News Sitemap WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. When exploited, this can enable attackers to inject malicious scripts that execute in users' browsers. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Gary Illyes Google XML News Sitemap 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 administrator credentials, takes over the WordPress site, or redirects visitors to malicious sites.
Likely Case
Attackers inject malicious scripts that steal session cookies or perform actions on behalf of authenticated users, potentially compromising user accounts.
If Mitigated
With proper CSRF protections and content security policies, the attack surface is reduced, though the vulnerability still exists in the code.
🎯 Exploit Status
Exploitation requires tricking an authenticated user (typically an administrator) into clicking a malicious link or visiting a crafted page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.03 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Google XML News Sitemap' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 0.03+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable the vulnerable plugin
allTemporarily deactivate the Google XML News Sitemap plugin until patched
wp plugin deactivate gn-xml-sitemap
Implement CSRF protection headers
allAdd Content Security Policy headers to mitigate XSS impact
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Remove the Google XML News Sitemap plugin completely from the WordPress installation
- Implement web application firewall (WAF) rules to block CSRF attempts and XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Google XML News Sitemap' version 0.02 or earlierCheck Version:
wp plugin get gn-xml-sitemap --field=versionVerify Fix Applied:
Verify plugin version is 0.03 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or plugin-specific endpoints
- Unexpected modifications to plugin settings or sitemap configurations
Network Indicators:
- CSRF tokens missing from plugin-related form submissions
- Suspicious referrer headers in requests to admin endpoints
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "gn-xml-sitemap") AND http_method="POST" AND referrer NOT CONTAINS own_domain