Auth bypass in Chris Simmons Wp Backitup

CVE-2025-68039

Missing Authorization vulnerability in Chris Simmons WP BackItUp wp-backitup allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP BackItUp: from n/a through <= 2.1.0.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-68039: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-68039?
CVE-2025-68039 is a medium-severity vulnerability in Chris Simmons Wp Backitup, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-01-22.
How severe is CVE-2025-68039?
Medium severity. CVSS v3 base score is 6.5 out of 10.