CVE-2021-21619 Information

Description

Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers who are able to control the display names of Jenkins users either via the security realm or directly inside Jenkins.

CVSS Vector

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

Reference

https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20(1) http://www.openwall.com/lists/oss-security/2021/02/24/3

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4