Description
WordPress Plugin Premium SEO Pack is prone to multiple vulnerabilities, including local file disclosure and arbitrary file upload vulnerabilities. Exploiting these vulnerabilities could allow an attacker to obtain potentially sensitive information from local files on computers running the vulnerable application or to upload arbitrary code and run it in the context of the webserver process, which may facilitate unauthorized access or privilege escalation; other attacks are also possible.. WordPress Plugin Premium SEO Pack version 1.8.0 is vulnerable; other versions may also be affected.
Remediation
Edit the source code to ensure that input is properly verified or disable the plugin until a fix is available
References
http://research.evex.pw/?vuln=12
http://hacking-etico.com/2015/11/21/investigacion-ataque-wordpress/
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Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-3388)