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[email protected]CVE-2020-26298

HistoryJan 11, 2021 - 7:15 p.m.

CVE-2020-26298

2021-01-1119:15:13

CWE-74

CWE-79

[email protected]

web.nvd.nist.gov

redcarpet

ruby library

markdown processing

xss

injection vulnerability

html escaping

nvd

cve-2020-26298

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

33.3%

JSON

Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the :escape_html option was being used. This is fixed in version 3.5.1 by the referenced commit.

Affected configurations

Vulners

NVD

Node

vmgredcarpetRange<3.5.1

CPENameOperatorVersion
redcarpet_project:redcarpetredcarpet project redcarpetlt3.5.1

CPE	Name	Operator	Version
redcarpet_project:redcarpet	redcarpet project redcarpet	lt	3.5.1

CNA Affected

[
  {
    "vendor": "vmg",
    "product": "redcarpet",
    "versions": [
      {
        "version": "< 3.5.1",
        "status": "affected"
      }
    ]
  }
]