CVE-2020-2290: XSS
First published: Thu Oct 08 2020(Updated: )
Jenkins Active Choices Plugin 2.4 and earlier does not escape `List` and `Map` return values of sandboxed scripts for Reactive Reference Parameters. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission. This issue is caused by an incomplete fix for [SECURITY-470](https://www.jenkins.io/security/advisory/2017-10-23/#persisted-cross-site-scripting-vulnerability-in-active-choices-plugin). Active Choices Plugin 2.5 escapes all legal return values of sandboxed scripts.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Active Choices | <=2.4 | |
| maven/org.biouno:uno-choice | <2.5 | 2.5 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2020/10/08/5
- https://www.jenkins.io/security/advisory/2020-10-08/#SECURITY-2008
- https://nvd.nist.gov/vuln/detail/CVE-2020-2290
- https://github.com/jenkinsci/active-choices-plugin/commit/15e3e01929a687965f44d9d06cd2d870628a54dc
- https://github.com/advisories/GHSA-rjch-j5x9-fgph (Advisory)
Frequently Asked Questions
What is the severity of CVE-2020-2290?
CVE-2020-2290 is classified as a medium severity vulnerability.
How do I fix CVE-2020-2290?
To fix CVE-2020-2290, update the Jenkins Active Choices Plugin to version 2.5 or later.
Who is impacted by CVE-2020-2290?
CVE-2020-2290 affects users of Jenkins with Job/Configure permission using Active Choices Plugin versions 2.4 and earlier.
What type of vulnerability is CVE-2020-2290?
CVE-2020-2290 is a stored cross-site scripting (XSS) vulnerability.
What causes the vulnerability CVE-2020-2290?
CVE-2020-2290 is caused by the failure to escape `List` and `Map` return values in sandboxed scripts for Reactive Reference Parameters.
- collector/nvd-index
- collector/nvd-api
- collector/github-advisory-latest
- alias/GHSA-rjch-j5x9-fgph
- alias/CVE-2020-2290
- collector/nvd-cve
- collector/github-advisory
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/author
- agent/weakness
- agent/last-modified-date
- agent/event
- agent/description
- agent/first-publish-date
- agent/trending
- agent/tags
- agent/source
- vendor/jenkins
- canonical/jenkins active choices
- version/jenkins active choices/2.4
- package-manager/maven