CVE-2025-62137
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Shuttle WordPress theme allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies or performing actions as authenticated users. All WordPress sites using Shuttle theme versions up to 1.5.0 are affected.
💻 Affected Systems
- Shuttle WordPress Theme
⚠️ 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 session cookies, take over WordPress sites, deface websites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect visitors to phishing sites, or display unwanted advertisements.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. The Patchstack reference provides technical details about the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.5.0
Vendor Advisory: https://patchstack.com/database/wordpress/theme/shuttle/vulnerability/wordpress-shuttle-theme-1-5-0-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check if Shuttle theme update is available. 4. Update to latest version. 5. Clear any caching plugins. 6. Test website functionality.
🔧 Temporary Workarounds
Temporary Input Sanitization
allAdd custom input validation filters to sanitize user input before processing
Add WordPress filter: add_filter('preprocess_comment', 'sanitize_text_field');
Implement custom sanitization in theme functions.php
Content Security Policy
allImplement CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or use WordPress security plugin to configure CSP
🧯 If You Can't Patch
- Disable or replace Shuttle theme with a secure alternative
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Shuttle theme version. If version is 1.5.0 or lower, you are vulnerable.Check Version:
wp theme list --field=name,status,version | grep shuttleVerify Fix Applied:
After updating, verify theme version shows higher than 1.5.0. Test input fields for proper sanitization.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to theme files
- JavaScript payloads in user input fields
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Suspicious script tags in HTTP requests
- Unusual outbound connections after page load
SIEM Query:
source="web_server" AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=") AND uri="*/wp-content/themes/shuttle/*"