CVE-2021-21616

published 2021-02-24

CVE-2021-21616: Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability…

Priority P3 37 medium 4.6 CVSS 3.1

AV N AC L PR L UI R S U C L I L A N

Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
jenkins	active_choices	<= 2.5.2	—
jenkins	active_choices_plugin	—	—
jenkins	artifact_repository_parameter_plugin	—	—
jenkins	claim_plugin	—	—
jenkins	configuration_slicing_plugin	—	—
jenkins	ids_in_support_core_plugin	—	—
jenkins	repository_connector_plugin	—	—
jenkins	support_core_plugin	—	—
jenkins_project	jenkins_active_choices_plugin	unspecified – 2.5.2	—

CVSS provenance

nvd v3.1 4.6 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

nvd v2.0 3.5 LOW AV:N/AC:M/Au:S/C:N/I:P/A:N

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-79