Is WPS浏览器助手：文档在线阅读编辑 safe?

#!/usr/bin/env node
// Decrypts WPS browser helper DW Reporter analytics bodies.
// rn.Reporter.use(transport, { aesKey: 'ZctYg7JjXcPySXxw' })
//   key = UTF8('ZctYg7JjXcPySXxw') -> 16 bytes -> AES-128
//   iv  = CryptoJS.enc.Utf8.parse('') -> 16 zero bytes
//   mode = CBC (CryptoJS default), padding = Pkcs7, wire = base64
const crypto = require('crypto');
const fs = require('fs');

const KEY = Buffer.from('ZctYg7JjXcPySXxw', 'utf8'); // 16 bytes -> AES-128
const IV = Buffer.alloc(16, 0);                       // zero IV

function decrypt(b64) {
  const ct = Buffer.from(b64, 'base64');
  const d = crypto.createDecipheriv('aes-128-cbc', KEY, IV);
  d.setAutoPadding(true); // Pkcs7
  return Buffer.concat([d.update(ct), d.final()]).toString('utf8');
}

const rows = JSON.parse(fs.readFileSync(process.argv[2] || 'bodies.json', 'utf8'));
let ok = 0;
for (const r of rows) {
  try {
    console.log(`\n=== ${r.id} (${r.source}) ===`);
    console.log(decrypt(r.body));
    ok++;
  } catch (e) {
    console.log(`\n=== ${r.id} DECRYPT FAILED: ${e.message} ===`);
  }
}
console.log(`\nDecrypted ${ok}/${rows.length} bodies.`);