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
References
- http://www.openwall.com/lists/oss-security/2021/10/06/1Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/10/06/1Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.