The LearnDash LMS plugin before 3.1.2 for WordPress allows XSS via the ld-profile search field.
packetstormsecurity.com/files/156275/LearnDash-WordPress-LMS-3.1.2-Cross-Site-Scripting.html
learndash.releasenotes.io/release/uCskc-version-312
wpvulndb.com/vulnerabilities/10026
www.getastra.com/blog/911/plugin-exploit/reflected-xss-vulnerability-found-in-learndash-lms-plugin/
www.jinsonvarghese.com/reflected-xss-in-learndash-wordpress-plugin/