XSS can be injected in the initialization data of Tuleap Angular apps.
Impact
An attacker could use this vulnerability to force a victim to execute uncontrolled code.
CVSSv3 score: 5.4 (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
Exploitation
Use the REST API to set your preference with the key agiledashboard_kanban_item_view_mode_<kanban_id> to something like ' + {{constructor.constructor('alert(1)')()}} then access the kanban with the ID <kanban_id>.
References
CWE 79
OWASP Cross-site Scripting