CVE-2026-1643
📋 TL;DR
The MP-Ukagaka WordPress plugin is vulnerable to Reflected Cross-Site Scripting (XSS) in all versions up to 1.5.2. This allows unauthenticated attackers to inject malicious scripts into web pages by tricking users into clicking specially crafted links. Any WordPress site using this vulnerable plugin is affected.
💻 Affected Systems
- MP-Ukagaka 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 session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deliver malware payloads.
Likely Case
Attackers steal user session cookies or credentials, leading to account compromise and potential privilege escalation.
If Mitigated
With proper web application firewalls and user awareness training, impact is limited to isolated incidents with minimal data exposure.
🎯 Exploit Status
Exploitation requires tricking users into clicking malicious links but doesn't require authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.3 or later
Vendor Advisory: https://wordpress.org/plugins/mp-ukagaka/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find MP-Ukagaka plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious payloads.
Disable Plugin
linuxTemporarily deactivate the MP-Ukagaka plugin until patched.
wp plugin deactivate mp-ukagaka
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security extensions that block XSS attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for MP-Ukagaka version 1.5.2 or earlier.Check Version:
wp plugin get mp-ukagaka --field=versionVerify Fix Applied:
Verify plugin version is 1.5.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with script tags or JavaScript in parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing suspicious script payloads in query parameters
- Traffic patterns showing users clicking unusual external links
SIEM Query:
source="web_server" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="*/options.php"🔗 References
- https://plugins.trac.wordpress.org/browser/mp-ukagaka/tags/1.5.2/options.php#L160
- https://plugins.trac.wordpress.org/browser/mp-ukagaka/trunk/options.php#L160
- https://wordpress.org/plugins/mp-ukagaka/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/14c3b53c-ba98-4e93-ba65-6da11816d7a6?source=cve
