Stored XSS in the Strong Testimonials plugin before 2.40.1 for WordPress can result in an attacker performing malicious actions such as stealing session tokens.
packetstormsecurity.com/files/156369/WordPress-Strong-Testimonials-2.40.1-Cross-Site-Scripting.html
github.com/MachoThemes/strong-testimonials/blob/master/changelog.txt
wpvulndb.com/vulnerabilities/10056
www.getastra.com/blog/911/plugin-exploit/stored-xss-vulnerability-found-in-strong-testimonials-plugin/
www.jinsonvarghese.com/stored-xss-vulnerability-in-strong-testimonials-plugin/