CVE-2024-11094

5.3 MEDIUM

📋 TL;DR

The 404 Solution WordPress plugin exposes sensitive redirect data including GET parameters through its export feature, allowing unauthenticated attackers to extract potentially confidential information. This affects all WordPress sites using the plugin up to version 2.35.17.

💻 Affected Systems

Products:
  • 404 Solution WordPress Plugin
Versions: All versions up to and including 2.35.17
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin activated. The export feature is accessible without authentication.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers obtain sensitive GET parameters containing credentials, session tokens, or other confidential data from redirect logs, leading to account compromise or data breaches.

🟠

Likely Case

Attackers extract redirect URLs containing sensitive query parameters, potentially revealing internal paths, user data, or other information that could aid further attacks.

🟢

If Mitigated

With proper access controls and monitoring, exposure is limited to non-sensitive redirect data only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation requires accessing the vulnerable export endpoint. No authentication needed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.35.18 and later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3188844%40404-solution%2Ftrunk&old=3169186%40404-solution%2Ftrunk&sfp_email=&sfph_mail=

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find '404 Solution' and click 'Update Now'. 4. Alternatively, download version 2.35.18+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the 404 Solution plugin until patched.

wp plugin deactivate 404-solution

Block Export Endpoint

linux

Use web server rules to block access to the vulnerable export feature.

# Apache: RewriteRule ^.*/export.*$ - [F,L]
# Nginx: location ~* /export { deny all; }

🧯 If You Can't Patch

  • Disable the 404 Solution plugin immediately.
  • Implement WAF rules to block requests to plugin export endpoints.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → 404 Solution. If version is 2.35.17 or lower, you are vulnerable.

Check Version:

wp plugin get 404-solution --field=version

Verify Fix Applied:

After update, verify plugin version shows 2.35.18 or higher in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests to /wp-content/plugins/404-solution/export endpoints from unauthenticated users
  • Unusual access patterns to plugin export functionality

Network Indicators:

  • GET requests to plugin export URLs without authentication headers

SIEM Query:

source="web_logs" AND uri_path="/wp-content/plugins/404-solution/export" AND NOT user_agent="WordPress/*"

🔗 References

📤 Share & Export