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.
https://wpvulndb.com/vulnerabilities/9435
https://wordpress.org/plugins/online-lesson-booking-system/#developers
https://jvn.jp/en/jp/JVN96988995/index.html
https://olbsys.com/fixed-vulnerability-issue/
Source: Mitre, NVD
Published: 2019-07-05
Updated: 2026-06-17
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00137