CVE-2020-26298

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 75.4% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-01-11 00:00Z5 YR AGO

Last updated

2025-02-13 16:27Z1 YR AGO

Reserved

2020-10-01

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

145740bedab5b8f3ba1412aaa57618fe381585678d4baa8bc449373021a62d73

• github.comhttps://github.com/advisories/GHSA-q3wr-qw3g-3p4h
• github.comhttps://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793
• rubygems.orghttps://rubygems.org/gems/redcarpet
• github.comhttps://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security
• lists.debian.org[debian-lts-announce] 20210115 [SECURITY] [DLA 2526-1] ruby-redcarpet security updatehttps://lists.debian.org/debian-lts-announce/2021/01/msg00014.htmlmailing-list
• www.debian.orgDSA-4831https://www.debian.org/security/2021/dsa-4831vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-597f13ffb9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-8682a0e17dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-44daa9c1d4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/vendor-advisory