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GitHub Advisory DatabaseGHSA-WG85-P6J7-GP3W

HistoryNov 21, 2018 - 10:21 p.m.

SimpleMDE XSS Vulnerability

2018-11-2122:21:25

CWE-79

GitHub Advisory Database

github.com

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

EPSS

0.001

Percentile

30.0%

JSON

SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.

Affected configurations

Vulners

Node

sparksuitesimplemdeRange≤1.11.2

VendorProductVersionCPE
sparksuitesimplemde*cpe:2.3:a:sparksuite:simplemde:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
sparksuite	simplemde	*	cpe:2.3:a:sparksuite:simplemde::::::::

References

github.com/advisories/GHSA-wg85-p6j7-gp3w

github.com/sparksuite/simplemde-markdown-editor/issues/721

nvd.nist.gov/vuln/detail/CVE-2018-19057

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

EPSS

0.001

Percentile

30.0%

JSON

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