Duong Quang Hao

Duong Quang Hao is a security researcher credited with 5 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #780 of 3,515 contributors. The disclosure was published in 2026.

Their research concentrates on Cross-Site Request Forgery (CSRF), which accounts for 2 of their findings (40%). Other recurring categories include Server-Side Request Forgery (SSRF), Deserialization Of Untrusted Data. The average CVSS score across these disclosures is 6.1, peaking at 8.1. Severity breakdown: 0 critical and 2 high.

The most affected software includes Webmention (2), coreActivity (1), Dam Spam (1), across 4 distinct plugins, themes and core versions in total.

All 5 disclosed issues have since received a vendor fix. The most severe finding, "coreActivity: Activity Logging for WordPress <= 3.0 - Unauthenticated PHP Object Injection via 'user_agent' Log Meta Field", scores 8.1 out of 10.