CVE-2020-26298

CVSS V2 Low 3.5 CVSS V3 Medium 5.4
Description
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.
Overview
  • CVE ID
  • CVE-2020-26298
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-11T19:15:13
  • Last Modified Date
  • 2022-10-07T00:22:56
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:redcarpet_project:redcarpet:*:*:*:*:*:ruby:*:* 1 OR 3.5.1
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.3
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793 Patch Third Party Advisory
https://rubygems.org/gems/redcarpet Product Third Party Advisory
https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security Release Notes Third Party Advisory
https://github.com/advisories/GHSA-q3wr-qw3g-3p4h Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html
https://www.debian.org/security/2021/dsa-4831
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26298
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26298
History
Created Old Value New Value Data Type Notes
2022-05-10 07:27:04 Added to TrackCVE
2022-12-05 19:44:35 2021-01-11T19:15Z 2021-01-11T19:15:13 CVE Published Date updated
2022-12-05 19:44:35 2022-10-07T00:22:56 CVE Modified Date updated
2022-12-05 19:44:35 Analyzed Vulnerability Status updated