GHSA-VC9J-FHVV-8VRF Remote Code Execution in scratch-vm

MIT Lifelong Kindergarten Scratch scratch-vm before 0.2.0-prerelease.20200714185213 loads extension URLs from untrusted project.json files with certain characters, resulting in remote code execution because the URL's content is treated as a script and is executed as a worker. The responsible code...