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cve[email protected]CVE-2020-27176
HistoryOct 16, 2020 - 5:15 a.m.

CVE-2020-27176

2020-10-1605:15:11
CWE-79
web.nvd.nist.gov
44
cve-2020-27176
mark text
xss
remote code execution
html parsing

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.3%

Mutation XSS exists in Mark Text through 0.16.2 that leads to Remote Code Execution. NOTE: this might be considered a duplicate of CVE-2020-26870; however, it can also be considered an issue in the design of the “source code mode” feature, which parses HTML even though HTML support is not one of the primary advertised roles of the product.

Affected configurations

NVD
Node
marktextmarktextRange0.16.2
CPENameOperatorVersion
marktext:marktextmarktextle0.16.2

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.3%