Guillermo Álvarez Fernández
Guillermo Álvarez Fernández is a security researcher credited with 2 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #1,854 of 3,823 contributors. The disclosure was published in 2026.
Their research concentrates on Client-Side Enforcement Of Server-Side Security, which accounts for 1 of their findings (50%). Other recurring categories include Missing Authorization. The average CVSS score across these disclosures is 4.8, peaking at 5.3.
The most affected software includes Ultimate Gift Cards for WooCommerce (1), Wallet for WooCommerce (1), across 2 distinct plugins, themes and core versions in total.
All 2 disclosed issues have since received a vendor fix.
#1854
of 3,823 researchers
2
2
4.8
Average score of vulnerabilities
Researcher Submissions
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