A user who can create objects in a database with plv8 3.2.1 installed is able to cause deferred triggers to execute as the Superuser during autovacuum.
Exploitability
AV:NAC:HPR:HUI:NScope
S:CImpact
C:LI:LA:H7.2/CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:HOther