The package jointjs before 3.3.0 are vulnerable to Prototype Pollution via util.setByPath (https://resources.jointjs.com/docs/jointjs/v3.2/joint.htmlutil.setByPath).
CVSS 3.1CRITICAL 9.8·Network·No auth·No interaction·EPSS 0.01376·Published 2021-01-19·Fixed in 3.3.0CWE-400