What is CVE-2026-39802?

CVE-2026-39802 is a high-severity vulnerability in Everestthemes Everest Backup, classified under Code Injection. CVSS score: 8.1/10. Published 2026-10-10.

How severe is CVE-2026-39802?

High severity. CVSS v3 base score is 8.1 out of 10.

RCE in Everestthemes Everest Backup

CVE-2026-39802

Unauthenticated Remote Code Execution (RCE) in Everest Backup <= 2.3.13 versions.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-10-10.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Everestthemes Everest Backup

Weakness classification (CWE)

CWE-94 — Code Injection

References

patchstack.com/database/wordpress/plugin/everest-backup/vulnerability/wordpress… (vdb-entry)

Frequently asked questions

What is CVE-2026-39802?: CVE-2026-39802 is a high-severity vulnerability in Everestthemes Everest Backup, classified under Code Injection. CVSS score: 8.1/10. Published 2026-10-10.
How severe is CVE-2026-39802?: High severity. CVSS v3 base score is 8.1 out of 10.