XSS in Jenkins Active Choices
CVE-2020-2290
Jenkins Active Choices Plugin 2.4 and earlier does not escape some return values of sandboxed scripts for Reactive Reference Parameters, 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: 0.009 (59.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Jenkins Active Choices
- Jenkins Project Active Choices Plugin — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.jenkins.io/security/advisory/2020-10-08/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/10/08/5 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-2290?
- CVE-2020-2290 is a medium-severity vulnerability in Jenkins Active Choices, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-08.
- How severe is CVE-2020-2290?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-2290 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.