CVE Vulnerability

CVE-2020-26298

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.

3.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
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 Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4831 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:redcarpet_project:redcarpet:*:*:*:*:*:ruby:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-01-11 07:15

Updated : 2022-10-07 12:22

NVD link : CVE-2020-26298

Mitre link : CVE-2020-26298

Products Affected
No products.
CWE
CWE-74

CWE-79