Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
http://www.openwall.com/lists/oss-security/2021/02/24/3
https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2192
Source: MITRE
Published: 2021-02-24
Updated: 2021-02-27
Type: CWE-79
Base Score: 3.5
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 6.8
Severity: LOW
Base Score: 4.6
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Impact Score: 2.5
Exploitability Score: 2.1
Severity: MEDIUM