CVE-2026-90529A vulnerability has been found in DataEase up to 2.10.25/2.10.26. Affected by this issue is the function buildTooltip of the file core/core-frontend/src/views/chart/components/js/panel/charts/map/symbolic-map.ts of the component Symbolic Map. Such manipulation of the argument canvasViewInfo[*].customAttr.tooltip.backgroundColor leads to cross site scripting. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.