Nixxies

Nixxies is a security researcher credited with 13 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #422 of 3,984 contributors. The disclosure was published in 2026.

Their research concentrates on Missing Authorization, which accounts for 4 of their findings (31%). Other recurring categories include Authorization Bypass Through User-Controlled Key, Exposure Of Sensitive Information To An Unauthorized Actor. The average CVSS score across these disclosures is 5.6, peaking at 8.8. Severity breakdown: 0 critical and 3 high.

The most affected software includes AFFI (1), Cooked (1), Document Library Lite (1), across 13 distinct plugins, themes and core versions in total.

All 13 disclosed issues have since received a vendor fix. The most severe finding, "Mang Board <= 2.4.4 - Authenticated (Subscriber+) Arbitrary File Upload", scores 8.8 out of 10.