Auth bypass in Blogvault Backup & Staging

CVE-2026-19718

The BlogVault Backup & Staging WordPress plugin before 6.65, MalCare WordPress Security Plugin WordPress plugin before 6.65, The WP Remote WordPress Plugin WordPress plugin before 6.65 do not prevent unauthenticated users from obtaining data derived from the secret that binds a site to its remote management service, and generate that secret with a weak pseudo-random number generator, allowing attackers to recover it and gain administrative access to the site.

Vulnerability class: Broken Authentication

Published · last modified .

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

EPSS: 0.002 (12.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% 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-2026-19718: held from 0.003 to 0.002.

EPSS over last 30 days · oldest: 0.003 · newest: 0.002 · change: -0.001

Affected products

  • Blogvault Backup & Staging
  • Malcare WordPress Security Plugin
  • The Wp Remote WordPress Plugin

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19718?
CVE-2026-19718 is a high-severity vulnerability in Blogvault Backup & Staging, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-08-26.
How severe is CVE-2026-19718?
High severity. CVSS v3 base score is 8.1 out of 10.