What the vulnerability does
01Description
The Rank Math SEO with AI SEO Tools plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the HowTo block attributes in all versions up to, and including, 1.0.214 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
Rank Math SEO plugin versions up to 1.0.214 contain an input validation flaw that allows authenticated users with low privileges to read sensitive data or modify site content across different security contexts. The vulnerability requires a valid user account but no special interaction. Site administrators should update to a version newer than 1.0.214 immediately.
What an attacker can do
03Attacker Capabilities
Read sensitive data or modify site content with a low-privilege user account.
Potential impact on your site
04Site Impact
Authenticated users can access or alter data beyond their intended permissions, potentially exposing private information or corrupting content.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege user account on the site.
Key dates
06Disclosure timeline
April 9, 2024
CVE published
April 8, 2026
Record updated
