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...

CVE-2026-12048

CVE-2026-12048 affects pgAdmin 4 (versions 6.0 up to 9.16). Stored XSS occurs when untrusted server-returned text is passed through html-react-parser in multiple user-facing sinks (toasts, dialogs, explain visualiser, SQL editor prompts, etc.), allowing an attacker-controlled PostgreSQL server to...