Oly Hossen
Oly Hossen is a security researcher credited with 22 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #272 of 3,984 contributors. The disclosure was published in 2026.
Their research concentrates on Missing Authorization, which accounts for 10 of their findings (45%). Other recurring categories include Cross-Site Request Forgery, Exposure Of Sensitive Information To An Unauthorized Actor. The average CVSS score across these disclosures is 5.1, peaking at 9.1. Severity breakdown: 1 critical and 0 high.
The most affected software includes AcyMailing (1), Better Post & Filter Widgets… (1), Booktics (1), across 22 distinct plugins, themes and core versions in total.
All 22 disclosed issues have since received a vendor fix. The most severe finding, "AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.5 - Unauthenticated Arbitrary File Deletion", scores 9.1 out of 10.
#272
of 3,984 researchers
22
22
5.1
Average score of vulnerabilities
Researcher Submissions
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