Vulnerability CVE-2018-20859
Published: 2019-07-30

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

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Open.edx -> Edx-platform 

 References:
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
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