Shogo Kumamaru

Shogo Kumamaru is a security researcher credited with 7 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #586 of 3,515 contributors. Their disclosures were published between 2022 and 2026. The most productive year was 2024, with 2 findings.

Their research concentrates on SQL Injection, which accounts for 3 of their findings (43%). Other recurring categories include Cross-Site Scripting, Improper Input Validation. The average CVSS score across these disclosures is 6.5, peaking at 8.8. Severity breakdown: 0 critical and 3 high.

The most affected software includes Welcart e-Commerce (3), Advanced Custom Fields (ACF®) (1), Quiz Maker by AYS (1), across 5 distinct plugins, themes and core versions in total.

All 7 disclosed issues have since received a vendor fix. The most severe finding, "Welcart e-Commerce <= 2.8.21 - Authenticated(level_5+) SQL Injection via get_logs", scores 8.8 out of 10.