CVE-2024-11107

6.1 MEDIUM

📋 TL;DR

The System Dashboard WordPress plugin before version 2.8.15 contains a cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to inject malicious scripts into web pages. This affects all WordPress sites running vulnerable versions of the plugin, potentially compromising visitors' browsers.

💻 Affected Systems

Products:
  • System Dashboard WordPress Plugin
Versions: All versions before 2.8.15
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions are affected regardless of configuration.

📦 What is this software?

⚠️ 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 if they have active sessions.

🟠

Likely Case

Attackers will typically use this to steal session cookies or redirect users to phishing/malware sites, potentially leading to account compromise.

🟢

If Mitigated

With proper Content Security Policy (CSP) headers and modern browser XSS protections, impact is limited to specific browser contexts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

XSS vulnerabilities are commonly weaponized and this requires no authentication, making exploitation trivial.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.8.15

Vendor Advisory: https://wpscan.com/vulnerability/a89f1117-8df3-417b-b54f-6587545833ee/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'System Dashboard' plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 2.8.15+ from WordPress.org and replace plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate system-dashboard

Implement Content Security Policy

all

Add CSP headers to mitigate XSS impact

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");

🧯 If You Can't Patch

  • Remove the System Dashboard plugin entirely if not essential
  • Implement web application firewall (WAF) rules to block XSS payloads targeting this plugin

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → System Dashboard → Version. If version is below 2.8.15, you are vulnerable.

Check Version:

wp plugin get system-dashboard --field=version

Verify Fix Applied:

Verify plugin version is 2.8.15 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or JavaScript payloads
  • Multiple requests to plugin-specific endpoints from single IPs

Network Indicators:

  • HTTP requests containing <script> tags or JavaScript in parameters
  • Unusual outbound connections from user browsers after visiting affected pages

SIEM Query:

source="web_logs" AND (uri_path="/wp-content/plugins/system-dashboard/" OR user_agent CONTAINS "<script>")

🔗 References

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