CVE-2025-23941
📋 TL;DR
This stored XSS vulnerability in the MeinTurnierplan.de Widget Viewer WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the compromised widget, the scripts execute in their browsers. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- MeinTurnierplan.de Widget Viewer 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, deface websites, or perform actions on behalf of authenticated users including administrators.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts.
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. While no public PoC is confirmed, the vulnerability type is well-understood and easily weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'MeinTurnierplan.de Widget Viewer'. 4. Click 'Update Now' if available, or delete and reinstall latest version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate meinturnierplande-widget-viewer
Remove Plugin
allCompletely remove the vulnerable plugin
wp plugin delete meinturnierplande-widget-viewer
🧯 If You Can't Patch
- Implement WAF rules to block XSS payloads targeting the plugin endpoints
- Restrict plugin access to trusted users only and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'MeinTurnierplan.de Widget Viewer' version 1.1 or earlierCheck Version:
wp plugin get meinturnierplande-widget-viewer --field=versionVerify Fix Applied:
Verify plugin version is 1.2 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints containing script tags or JavaScript
- Multiple failed login attempts following plugin access
Network Indicators:
- Outbound connections to suspicious domains from WordPress server
- Unexpected JavaScript payloads in HTTP responses
SIEM Query:
source="wordpress.log" AND ("meinturnierplan" OR "widget-viewer") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")