CVE-2023-45636

5.4 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the WebToffee WordPress Backup & Migration plugin that allows attackers to bypass access controls and perform unauthorized actions. It affects WordPress sites using this plugin from all versions up to 1.4.1. The vulnerability enables attackers to exploit incorrectly configured security levels to access restricted functionality.

💻 Affected Systems

Products:
  • WebToffee WordPress Backup & Migration
Versions: n/a through 1.4.1
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with vulnerable plugin versions regardless of configuration.

⚠️ 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 could gain administrative access to WordPress sites, modify or delete backup files, inject malicious code, or compromise the entire WordPress installation.

🟠

Likely Case

Unauthorized users accessing backup management functions, potentially downloading sensitive site data or modifying backup configurations.

🟢

If Mitigated

With proper access controls and authentication, impact is limited to authorized users only performing intended backup operations.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some WordPress access but not necessarily admin privileges. The vulnerability is in access control logic, making exploitation straightforward once identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.4.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-migration-duplicator/vulnerability/wordpress-wordpress-backup-migration-plugin-1-4-1-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WordPress Backup & Migration'. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.4.2+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the plugin until patched version can be installed

wp plugin deactivate wordpress-backup-migration

Restrict plugin access

all

Use WordPress roles and capabilities to restrict who can access backup functions

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access WordPress admin interface
  • Enable detailed logging and monitoring of backup plugin activities for suspicious behavior

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'WordPress Backup & Migration' version 1.4.1 or earlier

Check Version:

wp plugin get wordpress-backup-migration --field=version

Verify Fix Applied:

Verify plugin version is 1.4.2 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to backup endpoints
  • Unexpected backup operations from non-admin users
  • Failed authorization attempts for backup functions

Network Indicators:

  • HTTP requests to /wp-content/plugins/wordpress-backup-migration/ from unauthorized IPs
  • Unusual backup download requests

SIEM Query:

source="wordpress" AND (uri_path="*backup*" OR uri_path="*migration*") AND (user_role!="administrator" OR auth_failed="true")

🔗 References

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