CVE-2026-4029: CWE-862 Missing Authorization in wpengine Database Backup for WordPress
The Database Backup for WordPress plugin for WordPress is vulnerable to unauthorized database export in all versions up to, and including, 2.5.2. This is due to the plugin not properly enforcing the return value of its authorization check. This makes it possible for unauthenticated attackers to export database tables, leading to Sensitive Information Exposure. Note: This vulnerability is only exploitable in WordPress Multisite environments where the deprecated is_site_admin() function exists.
AI Analysis
Technical Summary
CVE-2026-4029 is a missing authorization vulnerability (CWE-862) in the Database Backup for WordPress plugin by wpengine. The plugin fails to properly enforce the return value of its authorization check, enabling unauthenticated attackers to export database tables. This vulnerability specifically affects WordPress Multisite setups that still use the deprecated is_site_admin() function. The flaw leads to sensitive information exposure but does not impact integrity or availability. No official fix or patch has been confirmed as of the published date.
Potential Impact
Successful exploitation allows unauthenticated attackers to export database tables, resulting in sensitive information exposure. The vulnerability does not affect data integrity or availability. It is limited to WordPress Multisite environments with the deprecated is_site_admin() function, reducing the scope of affected deployments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators of WordPress Multisite environments using this plugin should consider disabling the plugin or restricting access to backup functionality to trusted users only. Monitor vendor channels for updates.
CVE-2026-4029: CWE-862 Missing Authorization in wpengine Database Backup for WordPress
Description
The Database Backup for WordPress plugin for WordPress is vulnerable to unauthorized database export in all versions up to, and including, 2.5.2. This is due to the plugin not properly enforcing the return value of its authorization check. This makes it possible for unauthenticated attackers to export database tables, leading to Sensitive Information Exposure. Note: This vulnerability is only exploitable in WordPress Multisite environments where the deprecated is_site_admin() function exists.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-4029 is a missing authorization vulnerability (CWE-862) in the Database Backup for WordPress plugin by wpengine. The plugin fails to properly enforce the return value of its authorization check, enabling unauthenticated attackers to export database tables. This vulnerability specifically affects WordPress Multisite setups that still use the deprecated is_site_admin() function. The flaw leads to sensitive information exposure but does not impact integrity or availability. No official fix or patch has been confirmed as of the published date.
Potential Impact
Successful exploitation allows unauthenticated attackers to export database tables, resulting in sensitive information exposure. The vulnerability does not affect data integrity or availability. It is limited to WordPress Multisite environments with the deprecated is_site_admin() function, reducing the scope of affected deployments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators of WordPress Multisite environments using this plugin should consider disabling the plugin or restricting access to backup functionality to trusted users only. Monitor vendor channels for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-03-12T00:07:50.008Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a05c8f4ec166c07b0dcb796
Added to database: 5/14/2026, 1:07:00 PM
Last enriched: 5/14/2026, 1:21:45 PM
Last updated: 5/14/2026, 4:42:56 PM
Views: 6
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