CVE-2021-21684: XSS
First published: Wed Oct 06 2021(Updated: )
Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/Git Plugin | <4.8.3 | 4.8.3 |
| Jenkins Git | <=4.8.2 | |
| maven/org.jenkins-ci.plugins:git | <=4.8.2 | 4.8.3 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-21684
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499
- http://www.openwall.com/lists/oss-security/2021/10/06/1
- https://github.com/jenkinsci/git-plugin/commit/5474cc942bfba60927be629ff47fb41c38c66741
- https://github.com/advisories/GHSA-gghc-g8cj-4vfv (Advisory)
- https://access.redhat.com/errata/RHSA-2022:0055
- https://bugzilla.redhat.com/show_bug.cgi?id=2011949
- collector/nvd-index
- collector/nvd-api
- collector/github-advisory-latest
- alias/GHSA-gghc-g8cj-4vfv
- alias/CVE-2021-21684
- collector/nvd-cve
- collector/github-advisory
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/author
- agent/references
- agent/severity
- agent/weakness
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- agent/software-canonical-lookup
- agent/tags
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/jenkins
- canonical/jenkins git
- version/jenkins git/4.8.2
- package-manager/maven
- package-manager/redhat