Description
WordPress Plugin LearnDash LMS is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin LearnDash LMS version 2.5.3 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.5.4 or latest
References
https://blog.nintechnet.com/arbitrary-file-upload-vulnerability-in-wordpress-learndash-lms-plugin/
https://www.exploit-db.com/exploits/43461/
https://packetstormsecurity.com/files/145753/WordPress-LearnDash-2.5.3-File-Upload.html