CVE-2025-67949
📋 TL;DR
This Cross-Site Scripting (XSS) vulnerability in the Hostiko WordPress theme allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using the Hostiko theme before version 94.3.6. The vulnerability is reflected, meaning the malicious input is included in the server's response without proper sanitization.
💻 Affected Systems
- Hostiko 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 session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deface websites.
Likely Case
Attackers craft malicious links containing JavaScript payloads that execute when victims click them, potentially stealing session tokens or credentials.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity and can be exploited without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 94.3.6
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/hostiko/vulnerability/wordpress-hostiko-theme-94-3-6-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Update Hostiko theme to version 94.3.6 or later. 4. Clear any caching plugins/CDN caches.
🔧 Temporary Workarounds
Input Validation Filter
allAdd custom input validation to sanitize user inputs before processing.
Add WordPress sanitization functions like esc_html(), esc_attr(), or wp_kses() to theme files where user input is processed.
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 CSP plugin
🧯 If You Can't Patch
- Disable or replace the Hostiko theme with a secure alternative
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Appearance > Themes for Hostiko theme version. If version is below 94.3.6, system is vulnerable.Check Version:
wp theme list --field=name,version | grep hostikoVerify Fix Applied:
Confirm Hostiko theme version is 94.3.6 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with JavaScript payloads in parameters
- Multiple requests with similar malicious patterns from single IPs
Network Indicators:
- HTTP requests containing script tags or JavaScript in URL parameters
- Suspicious redirects to external domains
SIEM Query:
source="web_logs" AND (uri="*<script*" OR uri="*javascript:*" OR uri="*onload=*" OR uri="*onerror=*")