GHSA-QH3J-MRG8-F234 Signal K Server: Arbitrary Prototype Read via `from` Field Bypass

Summary The /signalk/v1/applicationData/... JSON-patch endpoint allows users to modify stored application data. To prevent Prototype Pollution, the developers implemented an isPrototypePollutionPath guard. However, this guard only checks the path property of incoming JSON-patch objects. It...

GHSA-9QMH-276G-X5PJ Prototype Pollution in immer

Overview Affected versions of immer are vulnerable to Prototype Pollution. Proof of exploit js const applyPatches, enablePatches = require"immer"; enablePatches; let obj = ; console.log"Before : " + obj.polluted; applyPatches, op: 'add', path: "proto", "polluted" , value: "yes" ; // applyPatches,...

Prototype Pollution

Overview fast-json-patch is a leaner and meaner implementation of JSON-Patch. Affected versions of this package are vulnerable to Prototype Pollution via applyPatch and applyOperation in fast-json-patch.js. Details Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution...