CVE-2022-1412

7.5 HIGH

📋 TL;DR

The Log WP_Mail WordPress plugin through version 0.1 saves sent emails in a publicly accessible directory with predictable filenames, allowing any unauthenticated visitor to access sensitive information like generated passwords. This affects all WordPress sites using vulnerable versions of the Log WP_Mail plugin.

💻 Affected Systems

Products:
  • WordPress Log WP_Mail plugin
Versions: All versions through 0.1
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with the vulnerable plugin version installed and activated.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers obtain administrative credentials, password reset tokens, or other sensitive data, leading to complete site compromise and data breaches.

🟠

Likely Case

Unauthenticated attackers access sensitive email content including passwords, user data, and internal communications.

🟢

If Mitigated

With proper access controls, only authorized users can access email logs, preventing information disclosure.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires no authentication and uses predictable file paths. Public proof-of-concept scripts exist.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 0.2 or later

Vendor Advisory: https://wpscan.com/vulnerability/ee10f21f-4476-4f3d-85ed-94d438c61ec2

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Log WP_Mail' plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and delete plugin immediately.

🔧 Temporary Workarounds

Restrict directory access via .htaccess

linux

Block public access to the wp-content/uploads/log-wp-mail directory

echo 'Deny from all' > /path/to/wp-content/uploads/log-wp-mail/.htaccess

Delete exposed log files

linux

Remove all existing log files from the vulnerable directory

rm -rf /path/to/wp-content/uploads/log-wp-mail/*

🧯 If You Can't Patch

  • Immediately deactivate and remove the Log WP_Mail plugin from WordPress
  • Implement web application firewall rules to block access to /wp-content/uploads/log-wp-mail/ paths

🔍 How to Verify

Check if Vulnerable:

Check if /wp-content/uploads/log-wp-mail/ directory exists and contains accessible .log files with predictable names (e.g., incrementing numbers)

Check Version:

wp plugin list --name='Log WP_Mail' --field=version

Verify Fix Applied:

Verify plugin version is 0.2+ in WordPress admin, or test that /wp-content/uploads/log-wp-mail/ returns 403/404 error

📡 Detection & Monitoring

Log Indicators:

  • HTTP 200 requests to /wp-content/uploads/log-wp-mail/*.log from unauthenticated users

Network Indicators:

  • Unusual traffic patterns to email log directories

SIEM Query:

source="web_access" AND uri_path="/wp-content/uploads/log-wp-mail/*" AND response_code=200

🔗 References

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