CVE-2021-21667: XSS
First published: Wed Jun 16 2021(Updated: )
Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Scriptler | <=3.2 | |
| maven/org.jenkins-ci.plugins:scriptler | <3.3 | 3.3 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/06/16/3
- https://www.jenkins.io/security/advisory/2021-06-16/#SECURITY-2224
- https://nvd.nist.gov/vuln/detail/CVE-2021-21667
- https://github.com/jenkinsci/scriptler-plugin/commit/ea9c4e6abdd15ee4731e76bb7130069af6dfed88
- https://github.com/advisories/GHSA-p479-rwhp-rwjx (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-21667?
CVE-2021-21667 is classified as a high severity stored cross-site scripting (XSS) vulnerability.
How do I fix CVE-2021-21667?
To fix CVE-2021-21667, upgrade the Jenkins Scriptler Plugin to version 3.3 or later.
Who is affected by CVE-2021-21667?
Users of Jenkins Scriptler Plugin versions 3.2 and earlier are affected by CVE-2021-21667.
What type of vulnerability is CVE-2021-21667?
CVE-2021-21667 is a stored cross-site scripting (XSS) vulnerability.
What permissions are required to exploit CVE-2021-21667?
An attacker needs Scriptler/Configure permission to exploit CVE-2021-21667.
- collector/nvd-index
- collector/nvd-api
- collector/github-advisory-latest
- alias/GHSA-p479-rwhp-rwjx
- alias/CVE-2021-21667
- collector/nvd-cve
- collector/github-advisory
- agent/type
- agent/softwarecombine
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- agent/author
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- agent/first-publish-date
- agent/event
- agent/description
- agent/trending
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- vendor/jenkins
- canonical/jenkins scriptler
- version/jenkins scriptler/3.2
- package-manager/maven