Description
The save_submission function in mod/assign/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 allows remote authenticated users to bypass intended due-date restrictions by leveraging the student role for a web-service request.
Remediation
References
Related Vulnerabilities
WordPress 4.7.x PHP Object Injection (4.7 - 4.7.20)
WordPress Plugin Advanced Custom Fields (ACF) Cross-Site Scripting (4.4.3)
MySQL CVE-2016-5443 Vulnerability (CVE-2016-5443)
WordPress Plugin Custom Content Type Manager Remote Code Execution (0.9.8.5)
Apache HTTP Server Use of Incorrectly-Resolved Name or Reference Vulnerability (CVE-2019-0220)