WordPress Themes Open Redirection 2019/03/22

Many WordPress themes and a plugin suffer from open redirection vulnerabilities. Age-Verification plugins version 0.5 is affected. Themes affected include Ev version 1.x, Nine-Day version 1.6, Aibbt version 1.0, itiis version 1.x, ifxPro.Cn version 5.0, 2kqq version 5.2, Azzxx version 1.2.1, BigChrome version 5.2, clsn-003 version 1.0, Concise version 2.8, TaozHuji version 5.2, UsaMusic-PC version 1.0, Wngzs version 1.0, 2018110612035976 version 1.7.3, Begin4.6 version 4.6, Begin5.2 version 5.2, Begin44 version 4.4, BeginLTS version 6, Zangai version 1.1.0, Deep version 5.4, and Wopus version 1.0.