CVE-2026-19718 BlogVault, MalCare and WP Remote 5.16 - 6.62 - Unauthenticated Site Takeover via Connection Key Recovery
Attackers can recover weak connection keys to gain unauthenticated administrative access to WordPress sites using affected backup and security plugins.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19718?
CVE-2026-19718 is a high-severity vulnerability in Unknown BlogVault Backup & Staging, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2026-19718?
How do I fix CVE-2026-19718?
No fix has been published for CVE-2026-19718 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19718 being exploited?
There is no known exploitation of CVE-2026-19718 in the wild and no public exploit code.
Sources
Also known as GHSA-63pv-w3j7-r654.