CVE-2021-21611 Information

Description

Jenkins 2.274 and earlier LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.

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/2021-01-13/#SECURITY-2171

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