Navapon Premkasem (71C4) (71C4)

Navapon Premkasem (71C4) (71C4) is a security researcher credited with 2 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #1,301 of 3,435 contributors. The disclosure was published in 2026.

Their research concentrates on Cross-Site Scripting, which accounts for 1 of their findings (50%). Other recurring categories include Improper Privilege Management. The average CVSS score across these disclosures is 7.6, peaking at 8.8. Severity breakdown: 0 critical and 1 high.

The most affected software includes Kirki (1), Simple JWT Login (1), across 2 distinct plugins, themes and core versions in total.

All 2 disclosed issues have since received a vendor fix. The most severe finding, "Simple JWT Login <= 3.6.6 - Authenticated (Subscriber+) Authentication Bypass to Privilege Escalation via 'payload' Parameter", scores 8.8 out of 10.

2026
Critical
High
Medium
Low

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