Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1nNGo2LW0zbTMtY3J3OM4AAlYJ

Stored XSS vulnerability in Jenkins upstream cause

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability.

Jenkins 2.245, LTS 2.235.2 escapes the job display name.

Permalink: https://github.com/advisories/GHSA-g4j6-m3m3-crw8
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1nNGo2LW0zbTMtY3J3OM4AAlYJ
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: 12 months ago

CVSS Score: 8.0
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00054
EPSS Percentile: 0.23527

Identifiers: GHSA-g4j6-m3m3-crw8, CVE-2020-2221
References:

• https://nvd.nist.gov/vuln/detail/CVE-2020-2221
• https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901
• http://www.openwall.com/lists/oss-security/2020/07/15/5
• https://github.com/jenkinsci/jenkins/commit/f6e575381bdba85afaf27c529d7298091f226e49
• https://github.com/advisories/GHSA-g4j6-m3m3-crw8

Repository: https://github.com/jenkinsci/jenkins
Blast Radius: 1.0

Affected Packages