WordPress SEO by Yoast Plugin 'post-new.php' script HTML Injection Vulnerability

Bugtraq ID:	75196
Class:	Input Validation Error
CVE:	CVE-2012-6692
Remote:	Yes
Local:	No
Published:	Jun 15 2015 12:00AM
Updated:	Jul 15 2015 12:39AM
Credit:	Charles Neill and Mazen Gamal
Vulnerable:
Not Vulnerable:

WordPress SEO by Yoast Plugin 'post-new.php' script HTML Injection Vulnerability

WordPress SEO by Yoast plugin for WordPress is prone to an HTML-injection vulnerability.

Successful exploits will allow attacker-supplied HTML and script code to run in the context of the affected browser, potentially allowing the attacker to steal cookie-based authentication credentials or control how the site is rendered to the user. Other attacks are also possible.

WordPress SEO by Yoast 2.1.1 and prior are vulnerable

WordPress SEO by Yoast Plugin 'post-new.php' script HTML Injection Vulnerability

Attackers can exploit this issue using browser.

WordPress SEO by Yoast Plugin 'post-new.php' script HTML Injection Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

WordPress SEO by Yoast Plugin 'post-new.php' script HTML Injection Vulnerability

References:

• Yoast Wordpress SEO Plugin <= 2.1.1 Stored, Authenticated XSS (WordPress)
  
• WordPress HomePage (WordPress)