Vulnerability in Webtotem Backups

CVE-2026-77006

The WebTotem Backups WordPress plugin before 1.1.0 does not validate a user-supplied file path, does not check the capability of the user making the request, and discards the result of its own CSRF check, allowing any authenticated user, such as a subscriber, to delete arbitrary files on the server, which can lead to a site takeover.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (16.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.1% 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-2026-77006: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Webtotem Backups

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-77006?
CVE-2026-77006 is a critical-severity vulnerability in Webtotem Backups, classified under External Control of File Name or Path. CVSS score: 9.6/10. Published 2026-09-12.
How severe is CVE-2026-77006?
Critical severity. CVSS v3 base score is 9.6 out of 10.