CVE-2026-7814 – pgAdmin 4: Stored XSS via crafted PostgreSQL object names in Browser Tree and Explain Visualizer

CVE ID :CVE-2026-7814

Published : May 11, 2026, 4:17 p.m. | 41 minutes ago

Description :Stored cross-site scripting (XSS) vulnerability in pgAdmin 4 Browser Tree and Explain Visualizer modules.

User-controlled PostgreSQL object names (database, schema, table, column, etc.) were assigned to DOM elements via innerHTML, allowing crafted object names containing HTML markup to execute attacker-supplied JavaScript in the browser of any pgAdmin user who navigated to or executed EXPLAIN over the malicious object.

Fix replaces innerHTML with textContent.

This issue affects pgAdmin 4: before 9.15.

Severity: 4.8 | MEDIUM

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