CVE-2018-20859 Information

Description

edx-platform before 2018-07-18 allows XSS via a response to a Chemical Equation advanced problem.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/edx/edx-platform/commit/5b144559fbdba7ff673cc1c165aa2d343e07b6bd.patch https://groups.google.com/forum/!topic/openedx-announce/wsm5mtUhhME https://patch-diff.githubusercontent.com/raw/edx/edx-platform/pull/18639.patch

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1