CVE-2021-21618: XSS

Published Feb 24, 2021
·
Updated

Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Other sources

Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Jenkins Repository Connector Plugin 2.0.3 escapes parameter names and descriptions when creating new parameters.

Affected Software

2 affected componentsFixes available
Jenkins Repository Connector Jenkins<=2.0.2
maven/org.jenkins-ci.plugins:repository-connector<=2.0.2
2.0.3

Event History

Feb 24, 2021
CVE Published
via MITRE·03:05 PM
Data Sourced
via MITRE·03:05 PM
Description
May 24, 2022
Advisory Published
05:43 PM
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Frequently Asked Questions

1

What is the severity of CVE-2021-21618?

CVE-2021-21618 has been classified as a medium severity vulnerability due to its potential for stored cross-site scripting (XSS).

2

How do I fix CVE-2021-21618?

To fix CVE-2021-21618, upgrade to Jenkins Repository Connector Plugin version 2.0.3 or later.

3

Who is affected by CVE-2021-21618?

CVE-2021-21618 affects all users of Jenkins Repository Connector Plugin versions 2.0.2 and earlier.

4

What type of vulnerability is CVE-2021-21618?

CVE-2021-21618 is a stored cross-site scripting (XSS) vulnerability.

5

What permissions are required to exploit CVE-2021-21618?

An attacker needs Item/Configure permissions to exploit the vulnerability CVE-2021-21618.

Contact

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