CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
22.0%
Jenkins sets the Content-Security-Policy
header to static files served by Jenkins (specifically DirectoryBrowserSupport
), such as workspaces, /userContent
, or archived artifacts, unless a Resource Root URL is specified.
ScreenRecorder Plugin 0.7 and earlier programmatically updates the Java system property allowing administrators to customize the Content-Security-Policy
header for static files served by Jenkins to include media-src: 'self'
. On a Jenkins instance with default configuration, this effectively disables all other directives in the default rule set, including script-src
. This allows cross-site scripting (XSS) attacks by users with the ability to control files in workspaces, archived artifacts, etc.
Jenkins instances with Resource Root URL configured are unaffected.