CVE-2026-84778 WordPress Migrate Guru – Site Migration & Cloning plugin <= 6.65 - Denial of Service Attack vulnerability
Unauthenticated attackers can cause a denial of service in the Migrate Guru WordPress plugin, requiring site administrators to update the plugin.
- 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-2026-84778?
CVE-2026-84778 is a high-severity denial of service vulnerability in migrateguru Migrate Guru – Site Migration & Cloning, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Denial of Service Attack in Migrate Guru – Site Migration & Cloning <= 6.65 versions.
Weakness: CWE-770
Which versions are affected by CVE-2026-84778?
How do I fix CVE-2026-84778?
No fix has been published for CVE-2026-84778 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-84778 being exploited?
There is no known exploitation of CVE-2026-84778 in the wild and no public exploit code.
Sources
Also known as GHSA-28x5-jxp2-gpfp.