Security vulnerabilities

Attached to Project: Security vulnerabilities
Opened by Cyberheroes1010 - 21.03.2025
Last edited by cbay - 21.03.2025

Reported by: Vikash Gupta
Severity Level: Critical
Status: Pending Review
Priority: High
Overview

A Personal Identifiable Information (PII) exposure vulnerability allows unauthorized access to sensitive user data, including names, email addresses, phone numbers, and other personal details. This flaw puts user privacy at risk and may lead to identity theft, phishing attacks, and legal compliance violations.
Vulnerability Details

  Feature Affected: User Data Storage & Retrieval
  Vulnerability Type: PII Information Disclosure
  Description:
      Due to misconfigured access controls, insecure API responses, or improper data exposure, sensitive user data is accessible to unauthorized users.
      Attackers can extract PII from API endpoints, public web pages, or logs without authentication.
      The leaked information may include full names, email addresses, phone numbers, addresses, or other personally identifiable data.

Step to reproduced :-
Dear alwaysdata.com Team

Sir I'm Vikash Gupta & I'm Security Researcher. I found { User PII Information Leaked } Vulnerability in Your Website.

Vulnerable URL :- https://security.alwaysdata.com/task/137

STEP TO REPRODUCED :-

1- Go to Vulnerable Url :- https://security.alwaysdata.com/task/137 2- Scroll Down & You see {User Paypal ID is Leaked in Report}
3- Fix It Immediately.

BOOOOM! I hope You fixed this issue quickly.

Impact Assessment

  Security Risks:
      Identity Theft: Exposed PII can be used for fraudulent activities.
      Phishing & Social Engineering Attacks: Attackers can craft targeted scams using leaked data.
      Financial Risks: Exposed financial details can lead to fraud or unauthorized transactions.

  Business & Compliance Risks:
      Violation of Data Protection Laws: Non-compliance with GDPR, CCPA, and other data privacy regulations may lead to legal actions.
      Loss of User Trust: Users may lose confidence in the platform’s security.
      Reputation Damage: Public exposure of this issue can harm the company’s brand and credibility.

Proposed Solution

  Implement Proper Access Controls:
      Restrict access to PII data using role-based access control (RBAC).
      Ensure only authorized users can access sensitive information.

  Secure API & Web Responses:
      Remove PII exposure in API responses unless explicitly required.
      Mask or encrypt sensitive data in logs and responses.

  Regular Security Audits & Compliance Checks:
      Conduct frequent security assessments to detect and fix data leaks.
      Ensure compliance with data protection laws and industry security standards.

Conclusion

This PII data exposure vulnerability poses a critical security risk, allowing attackers to steal personal user information. Implementing access controls, API security measures, and regular audits is necessary to protect user privacy and prevent legal risks.

Reported by: Vikash Gupta