CVE-2024-37507
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Eventin WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. It affects all Eventin plugin versions up to 3.3.57. WordPress sites using vulnerable versions of this plugin are at risk.
💻 Affected Systems
- Themewinter Eventin WordPress Plugin
📦 What is this software?
Eventin by Themewinter
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deface websites.
Likely Case
Attackers inject malicious scripts that steal user session data or credentials when users visit compromised pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.3.58 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/wp-event-solution/wordpress-eventin-plugin-3-3-57-cross-site-scripting-xss-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Eventin plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Eventin Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-event-solution
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Enable WordPress security plugins with XSS protection features
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Eventin version. If version is 3.3.57 or earlier, you are vulnerable.Check Version:
wp plugin get wp-event-solution --field=versionVerify Fix Applied:
Verify Eventin plugin version is 3.3.58 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Eventin endpoints
- Script tags in form submissions to Eventin forms
Network Indicators:
- HTTP requests containing script tags or JavaScript payloads to Eventin endpoints
SIEM Query:
source="wordpress" AND (uri_path="*eventin*" OR plugin="eventin") AND (http_method="POST" OR http_method="PUT") AND (content="<script>" OR content="javascript:")