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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.

PUBLISHED Reserved 2026-05-04 | Published 2026-05-11 | Updated 2026-05-11 | Assigner PostgreSQL




MEDIUM: 4.8CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Authenticated pgAdmin user with INSERT/CREATE privileges on a database object whose name a victim views in pgAdmin's Browser Tree or Explain output. PR:H reflects that planting the malicious object name requires DDL privileges in addition to a pgAdmin login.

MEDIUM: 4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Authenticated pgAdmin user with INSERT/CREATE privileges on a database object whose name a victim views in pgAdmin's Browser Tree or Explain output. PR:H reflects that planting the malicious object name requires DDL privileges in addition to a pgAdmin login.

Product status

Default status
affected

6.9 (custom) before 9.15
affected

Credits

Fahar Abbas finder

References

github.com/pgadmin-org/pgadmin4/issues/9865 exploit

github.com/pgadmin-org/pgadmin4/pull/9865 patch

cve.org (CVE-2026-7814)

nvd.nist.gov (CVE-2026-7814)

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