Joshua Chan
Joshua Chan is a security researcher credited with 168 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #46 of 3,515 contributors. Their disclosures were published between 2023 and 2025. The most productive year was 2024, with 138 findings.
Their research concentrates on Cross-Site Scripting, which accounts for 47 of their findings (28%). Other recurring categories include Exposure Of Sensitive Information To An Unauthorized Actor, Cross-Site Request Forgery (CSRF). The average CVSS score across these disclosures is 5.3, peaking at 10.0. Severity breakdown: 2 critical and 15 high.
The most affected software includes 404 Solution (2), Accept Stripe Payments (2), MBE eShip (2), across 162 distinct plugins, themes and core versions in total.
134 of the 168 disclosed issues have a vendor fix, while 34 remain unpatched. The most severe finding, "Realtyna Organic IDX plugin <= 4.14.4 - Unauthenticated SQL Injection", scores 10.0 out of 10.
#46
of 3,515 researchers
168
162
5.3
Average score of vulnerabilities
Researcher Submissions
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