Cross-site request forgery (CSRF) vulnerability in Online Lesson Booking 0.8.6 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.Referenceshttps://olbsys.com/fixed-vulnerability-issue/https://wordpress.org/plugins/online-lesson-booking-system/#developershttps://jvn.jp/en/jp/JVN96988995/index.htmlhttps://wpvulndb.com/vulnerabilities/9435