Description
WordPress Plugin Spider Calendar is prone to an SQL injection and a cross-site scripting vulnerability. Exploiting these issues could allow an attacker to steal cookie-based authentication credentials, compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. WordPress Plugin Spider Calendar version 1.0.1 is vulnerable; other versions may also be affected.
Remediation
Update to plugin version 1.1.3 or latest
References
http://www.exploit-db.com/exploits/21715/
http://packetstormsecurity.com/files/117078/WordPress-Spider-1.0.1-SQL-Injection-XSS.html
Related Vulnerabilities
Oracle HTTP Server NULL Pointer Dereference Vulnerability (CVE-2020-1971)
WordPress Email Template Designer-WP HTML Mail Cross-Site Scripting (3.0.9)
Genesis Simple Share Cross-Site Scripting (1.0.6)
Moodle Improper Authentication Vulnerability (CVE-2013-2245)
Knews Multilingual Newsletters Cross-Site Request Forgery (1.2.5)