Sergej Ljubojevic

Sergej Ljubojevic is a security researcher credited with 4 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #972 of 3,515 contributors. The disclosure was published in 2026.

Their research concentrates on Cross-Site Request Forgery (CSRF), which accounts for 2 of their findings (50%). Other recurring categories include Cross-Site Scripting, Missing Authorization. The average CVSS score across these disclosures is 4.8, peaking at 6.4.

The most affected software includes ProfileGrid (2), ForumWP (1), Newsletter (1), across 3 distinct plugins, themes and core versions in total.

All 4 disclosed issues have since received a vendor fix.

2026
Critical
High
Medium
Low

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