CVE-2020-26298
"Redcarpet Malformed Markdown XSS Injection"
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.
INFO
Published Date :
Jan. 11, 2021, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:20 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.0
Exploitability Score :
2.3
Affected Products
The following products are affected by CVE-2020-26298
vulnerability.
Even if cvefeed.io
is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-26298
.
URL | Resource |
---|---|
https://github.com/advisories/GHSA-q3wr-qw3g-3p4h | Third Party Advisory |
https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security | Release Notes Third Party Advisory |
https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793 | Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/ | |
https://rubygems.org/gems/redcarpet | Product Third Party Advisory |
https://www.debian.org/security/2021/dsa-4831 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-26298
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-26298
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/ [No types assigned] Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/ -
CVE Modified by [email protected]
May. 09, 2023
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/ [No Types Assigned] -
CVE Modified by [email protected]
May. 09, 2023
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/ [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 07, 2022
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4831 No Types Assigned https://www.debian.org/security/2021/dsa-4831 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 16, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4831 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 15, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 14, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://github.com/advisories/GHSA-q3wr-qw3g-3p4h No Types Assigned https://github.com/advisories/GHSA-q3wr-qw3g-3p4h Third Party Advisory Changed Reference Type https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security No Types Assigned https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security Release Notes, Third Party Advisory Changed Reference Type https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793 No Types Assigned https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793 Patch, Third Party Advisory Changed Reference Type https://rubygems.org/gems/redcarpet No Types Assigned https://rubygems.org/gems/redcarpet Product, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:redcarpet_project:redcarpet:*:*:*:*:*:ruby:*:* versions up to (excluding) 3.5.1 -
CVE Modified by [email protected]
Jan. 11, 2021
Action Type Old Value New Value Changed 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. 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.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-26298
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-26298
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} -0.03%
score
0.31839
percentile