PT-2021-14710 · Jenkins · Jenkins Scriptler Plugin+1

Kevin Guerroudj · Published 2021-06-16 · Updated 2023-11-03 · CVE-2021-21667

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 3.2 and earlier

Description The issue results in a stored cross-site scripting (XSS) vulnerability. This is due to the plugin not escaping parameter names shown in job configuration forms. Attackers with Scriptler/Configure permission can exploit this issue.

Recommendations For Jenkins Scriptler Plugin versions 3.2 and earlier, update to version 3.3 or later to resolve the issue. As a temporary workaround, consider restricting access to job configuration forms for users without Scriptler/Configure permission to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-21667

GHSA-P479-RWHP-RWJX

Affected Products

Jenkins

Jenkins Scriptler Plugin

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-21667 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21667 · Vendor Advisory
• https://jenkins.io/security/advisory/2021-06-16/#SECURITY-2224 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-p479-rwhp-rwjx · Vendor Advisory
• https://github.com/jenkinsci/scriptler-plugin/commit/ea9c4e6abdd15ee4731e76bb7130069af6dfed88 · Note
• https://github.com/jenkinsci/scriptler-plugin · Note
• http://openwall.com/lists/oss-security/2021/06/16/3 · Note