SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-21684

Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

MEDIUM 6.1EPSS 1.24%

Does this matter?

Lower severity and a low EPSS score (1.24%). Track it; it rarely justifies an emergency change on its own.

Description

Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.24% probability · 67th percentile
CISA KEV
Not listed
Weakness
CWE-116
Affected
jenkins/git
Source
jenkinsci-cert@googlegroups.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.