CVE-2025-67549
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the oik WordPress plugin allows attackers to inject malicious scripts that execute in users' browsers when they visit compromised pages. It affects all WordPress sites running oik plugin versions up to and including 4.15.3. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- oik 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
Complete site takeover through session hijacking of administrators, leading to data theft, malware distribution, or website defacement.
Likely Case
Session hijacking of regular users, credential theft, or redirection to phishing/malware sites.
If Mitigated
Limited impact if proper Content Security Policy (CSP) headers are implemented and user input validation is enforced.
🎯 Exploit Status
DOM-based XSS typically requires user interaction (clicking a malicious link) but can be exploited without authentication. No public proof-of-concept has been identified at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.15.4 or later
Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/oik/vulnerability/wordpress-oik-plugin-4-15-3-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'oik' plugin and click 'Update Now'. 4. Verify update to version 4.15.4 or higher.
🔧 Temporary Workarounds
Disable oik plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate oik
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
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
- Implement Web Application Firewall (WAF) rules to block XSS payloads
- Monitor for suspicious user input patterns and block malicious requests
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for oik version <= 4.15.3Check Version:
wp plugin list --name=oik --field=versionVerify Fix Applied:
Verify oik plugin version is 4.15.4 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in request logs
- Multiple failed login attempts following suspicious redirects
Network Indicators:
- Suspicious outbound connections to unknown domains from user browsers
- Unexpected redirect patterns in HTTP traffic
SIEM Query:
source="web_logs" AND (url="*<script>*" OR url="*javascript:*" OR url="*onerror=*" OR url="*onload=*")