The GetResponse for WordPress plugin through 5.5.31 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Zafiyet ile ilgili Genel Bilgi, Etki ve Çözümleri için Devamını Oku
Kaynak: National Vulnerability Database