Description
WordPress Plugin All in One SEO-Best WordPress SEO-Easily Improve SEO Rankings & Increase Traffic is prone to multiple vulnerabilities, including cross-site scripting and privilege escalation vulnerabilities. Exploiting these issues could allow an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site, allowing the attacker to steal cookie-based authentication credentials and launch other attacks or to add or modify certain parameters used by the plugin or even execute malicious Javascript code. WordPress Plugin All in One SEO-Best WordPress SEO-Easily Improve SEO Rankings & Increase Traffic version 2.1.5 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.1.6 or latest
References
https://blog.sucuri.net/2014/05/vulnerability-found-in-the-all-in-one-seo-pack-wordpress-plugin.html