Input validation vulnerability in Yoast SEO 2.1.1

The WordPress SEO by Yoast plugin before version 2.2 had a security vulnerability that allowed attackers to add malicious code to a website. This was done by entering the code in the post_title parameter of wp-admin/post-new.php. This code would then be displayed on the website

Detected in:

Yoast SEO fixed vulnerable versions: >= * <= 2.1.1

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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