Hieus

Hieus is a security researcher credited with 5 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #841 of 3,878 contributors. Their disclosures were published between 2025 and 2026. The most productive year was 2026, with 4 findings.

Their research concentrates on Cross-Site Scripting, which accounts for 3 of their findings (60%). Other recurring categories include Missing Authorization, Path Traversal. The average CVSS score across these disclosures is 6.4, peaking at 9.8. Severity breakdown: 1 critical and 1 high.

The most affected software includes Bookit (1), Calendar (1), Comments (1), across 5 distinct plugins, themes and core versions in total.

4 of the 5 disclosed issues have a vendor fix, while 1 remain unpatched. The most severe finding, "SigmaForms Pro <= 1.4.11 - Unauthenticated Arbitrary File Deletion via Path Traversal in File Upload Field", scores 9.8 out of 10.