Tarcísio Luchesi De Almeida Silva (Poystick)
Tarcísio Luchesi De Almeida Silva (Poystick) is a security researcher credited with 10 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #460 of 3,515 contributors. The disclosure was published in 2026.
Their research concentrates on Cross-Site Scripting, which accounts for 3 of their findings (30%). Other recurring categories include Authorization Bypass Through User-Controlled Key, Missing Authorization. The average CVSS score across these disclosures is 5.5, peaking at 7.5. Severity breakdown: 0 critical and 2 high.
The most affected software includes Taskbuilder (2), Booking Calendar (1), Broadstreet (1), across 9 distinct plugins, themes and core versions in total.
9 of the 10 disclosed issues have a vendor fix, while 1 remain unpatched.
#460
of 3,515 researchers
10
9
5.5
Average score of vulnerabilities
Researcher Submissions
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