VulnerabilityModified
CVE-2021-21619
Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers who are able to control the display names of Jenkins users, either via the security…
MEDIUM 5.4EPSS 9.39%
Does this matter?
Lower severity and a low EPSS score (9.39%). Track it; it rarely justifies an emergency change on its own.
Description
Jenkins Claim Plugin 2.18.1 and earlier does not escape the user display name, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers who are able to control the display names of Jenkins users, either via the security realm, or directly inside Jenkins.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 9.39% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- jenkins/claim
- Source
- jenkinsci-cert@googlegroups.com
References
- http://www.openwall.com/lists/oss-security/2021/02/24/3Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%281%29Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/02/24/3Mailing List, Third Party Advisory
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%281%29Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.