CVE-2020-26298
6.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| vmg | redcarpet | < 3.5.1 | affected |
Weaknesses
- CWE-74: CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-79: CWE-79 Cross-site Scripting (XSS)
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/advisories/GHSA-q3wr-qw3g-3p4h
- https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793
- https://rubygems.org/gems/redcarpet
- https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security
- https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html
- https://www.debian.org/security/2021/dsa-4831
- 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/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/
References
- https://github.com/advisories/GHSA-q3wr-qw3g-3p4h
- https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793
- https://rubygems.org/gems/redcarpet
- https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security
- https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html
- https://www.debian.org/security/2021/dsa-4831
- 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/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/
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