CVE-2026-12048 pgAdmin 4: Stored XSS via untrusted error and plan-node text rendered through html-react-parser

Stored cross-site scripting in pgAdmin 4's error-rendering and plan-node-rendering paths. Text returned by a PostgreSQL server ErrorResponse messages, including object names quoted back inside relation-does-not-exist errors and inside EXPLAIN Recheck Cond / Exact Heap Blocks fields was passed...