PT-2021-14730 · Jenkins · Jenkins Active Choices Plugin+1

Audrey Prieur + 1 · Published 2021-11-12 · Updated 2023-11-22 · CVE-2021-21699

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 Active Choices Plugin versions 2.5.6 and earlier

Description The issue results in a stored cross-site scripting (XSS) vulnerability, which is exploitable by attackers with Job/Configure permission. This occurs because the parameter name of reactive parameters and dynamic reference parameters is not escaped.

Recommendations For versions 2.5.6 and earlier, update to version 2.5.7 or later, which escapes references to parameter names, to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-21699

GHSA-RP4X-H577-CHVQ

Affected Products

Jenkins

Jenkins Active Choices Plugin

References · 10

• https://osv.dev/vulnerability/GHSA-rp4x-h577-chvq · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21699 · Security Note
• https://jenkins.io/security/advisory/2021-11-12/#SECURITY-2219 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21699 · Vendor Advisory
• https://github.com/jenkinsci/active-choices-plugin/commit/4529ab6413d4ec70d02455536ea6c5196332ba62 · Note
• https://github.com/jenkinsci/active-choices-plugin · Note
• http://openwall.com/lists/oss-security/2021/11/12/1 · Note
• https://t.me/cvenotify/23327 · Telegram Post
• https://t.me/cvenotify/23333 · Telegram Post
• https://t.me/cibsecurity/32297 · Telegram Post