Auth bypass in Wpengine Database Backup For Wordpress

CVE-2026-4031

The Database Backup for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.5.2. This is due to the plugin not restricting access to the wp_db_temp_dir parameter, which controls wher…

Vulnerability class: Broken Access Control

EPSS: 0.001 (29.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-4031?
CVE-2026-4031 is a high-severity vulnerability in Wpengine Database Backup For Wordpress, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-05-14.
How severe is CVE-2026-4031?
High severity. CVSS v3 base score is 7.5 out of 10.