The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a stored Cross-Site Scripting (XSS) vulnerability allows authenticated students to inject malicious JavaScript into uploaded assignment files, which is executed when instructors view the submission. This issue has been patched in version 4.2.
Exploitability
AV:NAC:LPR:LUI:RScope
S:CImpact
C:HI:HA:N8.7/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:NInjection