Tarcísio Luchesi De Almeida Silva (Poystick)
Tarcísio Luchesi De Almeida Silva (Poystick) is a security researcher credited with 16 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #348 of 3,878 contributors. The disclosure was published in 2026.
Their research concentrates on Cross-Site Scripting, which accounts for 7 of their findings (44%). Other recurring categories include Missing Authorization, SQL Injection. The average CVSS score across these disclosures is 5.8, peaking at 7.5. Severity breakdown: 0 critical and 4 high.
The most affected software includes Taskbuilder (2), Booking Calendar (1), Broadstreet (1), across 15 distinct plugins, themes and core versions in total.
15 of the 16 disclosed issues have a vendor fix, while 1 remain unpatched.
#348
of 3,878 researchers
16
15
5.8
Average score of vulnerabilities
Researcher Submissions
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