medium
6.1
CWE
79
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2021-21648: XSS

First published: Tue May 11 2021(Updated: )

Credentials Plugin 2.3.18 and earlier does not escape user-controlled information on a view it provides. This results in a reflected cross-site scripting (XSS) vulnerability. Credentials Plugin 2.3.19 restricts the user-controlled information it provides to a safe subset. References: <a href="https://www.jenkins.io/security/advisory/2021-05-11/">https://www.jenkins.io/security/advisory/2021-05-11/</a>

Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com

Affected SoftwareAffected VersionHow to fix
redhat/jenkins<2-plugins-0:4.8.1624022417-1.el8
2-plugins-0:4.8.1624022417-1.el8
Jenkins Credentials<=2.3.18
redhat/credentials<2.3.19
2.3.19

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-21648?

    CVE-2021-21648 is a vulnerability in Jenkins Credentials Plugin that allows for a reflected cross-site scripting (XSS) attack.

  • How severe is CVE-2021-21648?

    CVE-2021-21648 has a severity rating of 8.8 (high).

  • Which versions of Jenkins Credentials Plugin are affected?

    Jenkins Credentials Plugin versions 2.3.18 and earlier are affected.

  • How can I fix CVE-2021-21648?

    To fix CVE-2021-21648, upgrade your Jenkins Credentials Plugin to version 2.3.19 or later.

  • Where can I find more information about CVE-2021-21648?

    You can find more information about CVE-2021-21648 at the following links: [Jenkins Security Advisory](https://www.jenkins.io/security/advisory/2021-05-11/), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2021:2437).

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