Language: TypeScript
Label: safe
CWE: CWE-94 \u2014 Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Code:
export function deserializeObject(s: string) {
  return JSON.parse(Buffer.from(s, "base64").toString())
}