CVE-2025-39372
📋 TL;DR
This reflected cross-site scripting (XSS) vulnerability in the WordPress Events Calendar Registration & Tickets plugin allows attackers to inject malicious scripts into web pages. When users click specially crafted links, attackers can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using this plugin version 2.6.0 or earlier are affected.
💻 Affected Systems
- WordPress Events Calendar Registration & Tickets (wpeventplus)
⚠️ 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 steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive user data.
Likely Case
Attackers steal user session cookies to hijack accounts, redirect users to phishing sites, or perform limited actions within user permissions.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited via phishing emails or malicious links. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WordPress Events Calendar Registration & Tickets'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF with XSS protection rules to block malicious payloads before reaching application.
Content Security Policy (CSP)
allImplement strict CSP headers to prevent execution of inline scripts and unauthorized sources.
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Header set X-Content-Type-Options "nosniff"
🧯 If You Can't Patch
- Disable or remove the WordPress Events Calendar Registration & Tickets plugin immediately.
- Implement network segmentation to isolate affected WordPress instances from critical systems.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'WordPress Events Calendar Registration & Tickets' version 2.6.0 or earlier.Check Version:
wp plugin list --name='wpeventplus' --field=versionVerify Fix Applied:
Verify plugin version is 2.6.1 or later in WordPress admin panel. Test input fields for proper sanitization.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with script tags or JavaScript payloads in query parameters
- Multiple failed XSS attempts in web server logs
- Suspicious referrer URLs containing encoded scripts
Network Indicators:
- HTTP requests with malicious script payloads in URL parameters
- Traffic patterns showing users redirected from suspicious links
SIEM Query:
source="web_server_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-content/plugins/wpeventplus/"