CVE-2025-24700
📋 TL;DR
This reflected cross-site scripting (XSS) vulnerability in the WP Event Aggregator WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of victims. All WordPress sites using WP Event Aggregator versions up to 1.8.2 are affected.
💻 Affected Systems
- Xylus Themes WP Event Aggregator
📦 What is this software?
Wp Event Aggregator by Xylusthemes
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full control of the WordPress site, install backdoors, deface the site, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to phishing pages, or perform limited actions within the victim's session context.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Exploitation requires tricking users into clicking malicious links. No authentication bypass is involved.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.8.2
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Event Aggregator. 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
Input Validation Web Application Firewall Rule
allConfigure WAF to block requests containing suspicious script patterns in URL parameters
🧯 If You Can't Patch
- Disable or remove the WP Event Aggregator plugin immediately
- Implement Content Security Policy (CSP) headers to restrict script execution sources
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Event Aggregator version 1.8.2 or earlierCheck Version:
wp plugin list --name=wp-event-aggregator --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.8.2 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual URL parameters containing script tags or JavaScript code in web server logs
- Multiple failed attempts with malicious payloads in plugin-specific endpoints
Network Indicators:
- HTTP requests with suspicious parameters like <script>, javascript:, or encoded script payloads
SIEM Query:
source="web_server_logs" AND (uri="*wp-event-aggregator*" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*%3Cscript%3E*"))