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K
cveMitreCVE-2019-9844
HistoryApr 09, 2019 - 2:29 a.m.

CVE-2019-9844

2019-04-0902:29:02
CWE-79
mitre
web.nvd.nist.gov
37
cve-2019-9844
khan academy
simple-markdown
xss
data uri
vbscript uri
nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

51.0%

simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI.

Affected configurations

Nvd
Node
khanacademysimple-markdownRange<0.4.4node.js
Node
fedoraprojectfedoraMatch30
VendorProductVersionCPE
khanacademysimple-markdown*cpe:2.3:a:khanacademy:simple-markdown:*:*:*:*:*:node.js:*:*
fedoraprojectfedora30cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

51.0%