CVE-2025-64365
📋 TL;DR
This DOM-based cross-site scripting (XSS) vulnerability in the Ohio Extra WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using Ohio Extra plugin versions up to and including 3.6.0. Successful exploitation could lead to session hijacking, credential theft, or website defacement.
💻 Affected Systems
- Ohio Extra 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, or redirect visitors to malicious sites, potentially compromising the entire web server and user data.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions on behalf of authenticated users, or deface website content visible to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing successful exploitation.
🎯 Exploit Status
Exploitation requires the attacker to craft malicious input that gets reflected in the DOM without proper sanitization. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.6.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Ohio Extra plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 3.6.1+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Input Sanitization Filter
allImplement custom input validation and output encoding for user-supplied data in theme templates
Use WordPress esc_* functions (esc_html, esc_attr, esc_url) when outputting user data
Content Security Policy
allImplement strict Content Security Policy headers to mitigate XSS impact
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to web server configuration
🧯 If You Can't Patch
- Disable or remove the Ohio Extra plugin if not essential for site functionality
- Implement web application firewall (WAF) rules to block XSS payloads and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Ohio Extra version. If version is 3.6.0 or lower, the site is vulnerable.Check Version:
wp plugin list --name=ohio-extra --field=version (if WP-CLI is installed)Verify Fix Applied:
After updating, verify Ohio Extra plugin shows version 3.6.1 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in request logs
- Multiple failed XSS attempts in web server logs
- Suspicious user input containing script tags or JavaScript events
Network Indicators:
- HTTP requests containing common XSS payload patterns
- Outbound connections to suspicious domains from user browsers
SIEM Query:
source="web_server_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri="*ohio*"