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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
jenkinsCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
VendorProductVersion
jenkinsgit
𝑥
≤ 4.8.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2021/10/06/1
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499
http://www.openwall.com/lists/oss-security/2021/10/06/1
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499