Path Traversal in Fahadmahmood Keep Backup Daily

CVE-2026-3339

The Keep Backup Daily plugin for WordPress is vulnerable to Limited Path Traversal in all versions up to, and including, 2.1.1 via the `kbd_open_upload_dir` AJAX action. This is due to insufficient validation of the `kbd_path` parameter, w…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3339?
CVE-2026-3339 is a low-severity vulnerability in Fahadmahmood Keep Backup Daily, classified under Path Traversal. CVSS score: 2.7/10. Published 2026-03-20.
How severe is CVE-2026-3339?
Low severity. CVSS v3 base score is 2.7 out of 10.