XSS in Jenkins Rest List Parameter
CVE-2021-21635
Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.088 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.088 · newest: 0.088 · change: 0.000
Affected products
- Jenkins Rest List Parameter
- Jenkins Project Rest List Parameter Plugin — versions unspecified
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2021-03-30/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/03/30/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21635?
- CVE-2021-21635 is a medium-severity vulnerability in Jenkins Rest List Parameter, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-30.
- How severe is CVE-2021-21635?
- Medium severity. CVSS v3 base score is 5.4 out of 10.