GHSA-HFVX-25R5-QC3W Fabric.js Affected by Stored XSS via SVG Export

fabric.js applies escapeXml to text content during SVG export src/shapes/Text/TextSVGExportMixin.ts:186 but fails to apply it to other user-controlled string values that are interpolated into SVG attribute markup. When attacker-controlled JSON is loaded via loadFromJSON and later exported via...