The Add Subtitle WordPress plugin through 1.1.0 does not sanitise or escape the sub-title field (available only with classic editor) when output in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks
Zafiyet ile ilgili Genel Bilgi, Etki ve Çözümleri için Devamını Oku
Kaynak: National Vulnerability Database