VulnerabilityModified
CVE-2020-26298
In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack.
MEDIUM 5.4EPSS 1.57%
Does this matter?
Lower severity and a low EPSS score (1.57%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.57% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-79
- Affected
- redcarpet project/redcarpet · debian/debian linux
- Source
- security-advisories@github.com
References
- https://github.com/advisories/GHSA-q3wr-qw3g-3p4hThird Party Advisory
- https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-securityRelease Notes, Third Party Advisory
- https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00014.htmlMailing 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/redcarpetProduct, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4831Third Party Advisory
- https://github.com/advisories/GHSA-q3wr-qw3g-3p4hThird Party Advisory
- https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-securityRelease Notes, Third Party Advisory
- https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00014.htmlMailing 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/redcarpetProduct, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4831Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.