Unauthenticated Cross-Site Scripting (XSS) vulnerability found by Gen Sato (Mitsui Bussan Secure Directions) in WordPress Simple Download Monitor plugin (versions <= 3.8.8 ).
Solution
Update the WordPress Simple Download Monitor plugin to the latest available version (at least 3.8.9).
Classification
Type XSS (Cross Site Scripting) OWASP Top 10 A3: Cross Site Scripting (XSS)