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CVE-2018-20859

Date: July 30, 2019

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

Language: Python

Severity Score

6.1

Related Resources (5)

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20859

Url: https://groups.google.com/forum/#%21topic/openedx-announce/wsm5mtUhhME

Url: https://patch-diff.githubusercontent.com/raw/edx/edx-platform/pull/18639.patch

Url: https://github.com/edx/edx-platform/commit/5b144559fbdba7ff673cc1c165aa2d343e07b6bd.patch

Url: https://www.mend.io/vulnerability-database/CVE-2018-20859

Severity Score

6.1

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:	6.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	CHANGED
Confidentiality (C):	LOW
Integrity (I):	LOW
Availability (A):	NONE

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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