CVE-2021-21699: XSS
Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Other sources
Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters.
This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Jenkins Active Choices Plugin 2.5.7 escapes references to parameter names.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-21699?
CVE-2021-21699 is classified as a medium severity stored cross-site scripting (XSS) vulnerability.
How do I fix CVE-2021-21699?
To fix CVE-2021-21699, upgrade the Jenkins Active Choices Plugin to version 2.5.7 or later.
Who is affected by CVE-2021-21699?
CVE-2021-21699 affects Jenkins Active Choices Plugin versions 2.5.6 and earlier.
Can attackers exploit CVE-2021-21699?
Yes, attackers can exploit CVE-2021-21699 if they have Job/Configure permissions.
What type of vulnerability is CVE-2021-21699?
CVE-2021-21699 is a stored cross-site scripting (XSS) vulnerability.