---
id: CVE-2026-84778
title: >-
  Unauthenticated Denial of Service Attack in Migrate Guru – Site Migration
  &amp; Cloning <= 6.65 versions.
summary: >-
  Unauthenticated Denial of Service Attack in Migrate Guru – Site Migration
  &amp; Cloning <= 6.65 versions.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
published: '2026-09-03'
updated: '2026-09-07'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84778'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/migrate-guru/vulnerability/wordpress-migrate-guru-site-migration-cloning-plugin-6-65-denial-of-service-attack-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
epss: 0.0046
epssPercentile: 0.37268
ingestedAt: '2026-09-07T13:10:57.162Z'
---

## Overview

Unauthenticated Denial of Service Attack in Migrate Guru – Site Migration &amp; Cloning <= 6.65 versions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.