What’s Vulnerable › Vulnerabilities

CVE-2026-4029: Database Backup for WordPress <= 2.5.2 - Missing Authorization to Unauthenticated Database Export

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-14 · updated 2026-06-17
• Weakness: CWE-862

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.

Affected products

• wpengine Database Backup for WordPress: through 2.5.2

References

• https://plugins.trac.wordpress.org/browser/wp-db-backup/tags/2.5.2/wp-db-backup.php#L1623
• https://plugins.trac.wordpress.org/browser/wp-db-backup/trunk/wp-db-backup.php#L153
• https://plugins.trac.wordpress.org/browser/wp-db-backup/trunk/wp-db-backup.php#L1632
• https://plugins.trac.wordpress.org/changeset/3510595/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d4a21d0d-f455-4901-a04b-13c891cf8f75?source=cve

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