---
id: 3100
title: "8 High-Impact Bugs and How HackerOne Customers Avoided a Breach: Privilege Escalation"
source_domain: hackerone.com
source_url: "https://www.hackerone.com/blog/8-high-impact-bugs-and-how-hackerone-customers-avoided-breach-privilege-escalation"
published_at: "2019-10-25T16:49:00Z"
tags: ["access-control", "privilege-escalation", "owasp", "mitre", "hacktivity", "vulnerability-series"]
phying_url: "https://phying.com/item/3100"
lang: en
---

# 8 High-Impact Bugs and How HackerOne Customers Avoided a Breach: Privilege Escalation

## Summary

This series opener explains privilege escalation—vertical versus horizontal per OWASP—ranked fourth most rewarded on HackerOne, with disclosed reports illustrating its potential business impact.

## Intelligence Metadata

- **Sources:** hackerone.com
- **Published:** 2019-10-25T16:49:00Z
- **Original:** https://www.hackerone.com/blog/8-high-impact-bugs-and-how-hackerone-customers-avoided-breach-privilege-escalation
- **Phying News:** https://phying.com/item/3100