PT-2021-14731 · Jenkins · Jenkins Scriptler Plugin+1

Guy Lederfein · Published 2021-11-12 · Updated 2023-11-22 · CVE-2021-21700

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Jenkins Scriptler Plugin versions 3.3 and earlier

Description The issue is related to a stored cross-site scripting (XSS) vulnerability. It occurs because the Jenkins Scriptler Plugin does not escape the name of scripts on the UI when asking to confirm their deletion. This makes it exploitable by attackers who are able to create Scriptler scripts.

Recommendations For Jenkins Scriptler Plugin versions 3.3 and earlier, update to version 3.4 or later, which escapes the name of scripts on the UI when asking to confirm their deletion.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-21700

GHSA-F9GF-2Q87-5M44

Affected Products

Jenkins

Jenkins Scriptler Plugin

References · 10

• https://osv.dev/vulnerability/GHSA-f9gf-2q87-5m44 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21700 · Security Note
• https://jenkins.io/security/advisory/2021-11-12/#SECURITY-2406 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21700 · Vendor Advisory
• https://github.com/jenkinsci/scriptler-plugin/commit/7e4fa9b51f37714decca30a35dd81e41f72aec93 · Note
• https://github.com/jenkinsci/scriptler-plugin · Note
• https://t.me/cibsecurity/32300 · Telegram Post
• http://openwall.com/lists/oss-security/2021/11/12/1 · Note
• https://t.me/cvenotify/23326 · Telegram Post
• https://t.me/cvenotify/23332 · Telegram Post