The vulnerability of the html-react-parser tool for managing PostgreSQL databases in pgAdmin 4 allows attackers to perform cross-site scripting attacks.

The vulnerability of the html-react-parser tool used in pgAdmin 4 database management software is related to incorrect data encoding or filtering. Exploiting this vulnerability could allow an attacker to perform cross-site scripting attacks remotely...

Cross-site Scripting (XSS)

Overview pgadmin4 is a PostgreSQL Tools Affected versions of this package are vulnerable to Cross-site Scripting XSS via the html-react-parser process. An attacker can execute arbitrary JavaScript in the context of the victim's browser session by injecting malicious HTML through error messages or...

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 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...