20kilograma

20kilograma is a security researcher credited with 9 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #483 of 3,515 contributors. Their disclosures were published between 2025 and 2026. The most productive year was 2026, with 6 findings.

Their research concentrates on Missing Authorization, which accounts for 3 of their findings (33%). Other recurring categories include Cross-Site Request Forgery (CSRF), Cross-Site Scripting. The average CVSS score across these disclosures is 6.3, peaking at 9.8. Severity breakdown: 1 critical and 3 high.

The most affected software includes Affiliates Manager (2), Simple:Press Forum (2), Asgaros Forum (1), across 7 distinct plugins, themes and core versions in total.

All 9 disclosed issues have since received a vendor fix. The most severe finding, "Masteriyo LMS – LMS Course Builder, Quizzes & Certificates <= 2.3.2 - Unauthenticated Arbitrary File Upload", scores 9.8 out of 10.