All in One SEO 4.0.0 - Authorization Bypass

Improper Authentication
CVE CVE-2021-25036
CVSS 8.8 (High)
Publicly Published December 14, 2021
Last Updated January 22, 2024
Researcher Marc-Alexandre Montpas


The All in One SEO WordPress plugin before is affected by a Privilege Escalation issue, which was discovered during an internal audit by the Jetpack Scan team, and may grant bad actors access to protected REST API endpoints they shouldn’t have access to. This could ultimately enable users with low-privileged accounts, like subscribers, to perform remote code execution on affected sites.



Vulnerability Details for All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic

Software Type Plugin
Software Slug all-in-one-seo-pack (view on
Patched? Yes
Remediation Update to version, or a newer patched version
Affected Version
  • 4.0.0 -
Patched Version

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