CVE-2020-2289: XSS
First published: Thu Oct 08 2020(Updated: )
Jenkins Active Choices Plugin 2.4 and earlier does not escape the name and description of build parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
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-1954
- https://nvd.nist.gov/vuln/detail/CVE-2020-2289
- https://github.com/jenkinsci/active-choices-plugin/commit/59bbd4a963dbf1aba5ca9699a913b06d4b5182fe
- https://github.com/advisories/GHSA-9jv5-wf44-8vfm (Advisory)
Frequently Asked Questions
What is CVE-2020-2289?
CVE-2020-2289 is a vulnerability in Jenkins Active Choices Plugin 2.4 and earlier that allows stored cross-site scripting (XSS) attacks.
What is the severity of CVE-2020-2289?
The severity of CVE-2020-2289 is medium with a CVSS score of 5.4.
How does CVE-2020-2289 affect Jenkins Active Choices Plugin?
CVE-2020-2289 affects Jenkins Active Choices Plugin 2.4 and earlier versions by not properly escaping the name and description of build parameters, allowing for potential XSS attacks.
How can CVE-2020-2289 be exploited?
CVE-2020-2289 can be exploited by attackers with Job/Configure permission who can inject malicious code through the unescaped build parameter names and descriptions.
Is there a fix available for CVE-2020-2289?
Yes, Active Choices Plugin 2.5 has been released, which addresses the vulnerability by properly escaping the name of build parameters.
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