Sensitive Information Disclosure via WordPress REST API — Emails Exposed as Usernames

📰 Medium · Cybersecurity

WordPress REST API vulnerability exposes user emails as usernames, highlighting the importance of API security

intermediate Published 14 May 2026
Action Steps
  1. Test WordPress REST API for information disclosure vulnerabilities
  2. Configure API security measures to prevent email exposure
  3. Apply patches for previously reported vulnerabilities
  4. Run security audits on WordPress plugins and themes
  5. Compare API responses for sensitive information disclosure
Who Needs to Know This

Security teams and WordPress developers should be aware of this vulnerability to protect user data and prevent information disclosure

Key Insight

💡 WordPress REST API vulnerability can expose sensitive user information, such as emails, as usernames

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🚨 WordPress REST API vulnerability exposes user emails as usernames! 🚨
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