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
EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Unknown Blogvault Backup & Staging
- Unknown Malcare Wordpress Security Plugin
- Unknown The Wp Remote Wordpress Plugin
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
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.