Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Spiffy Plugins Spiffy Calendar allows Stored XSS.This issue affects Spiffy Calendar: from n/a through 4.9.13.CreditsLVT-tholv2k (Patchstack Alliance)Referenceshttps://patchstack.com/database/vulnerability/spiffy-calendar/wordpress-spiffy-calendar-plugin-4-9-13-cross-site-scripting-xss-vulnerability?_s_id=cve