CVE-2020-23849: Jsoneditoronline Jsoneditor

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Stored XSS was discovered in the tree mode of jsoneditor before 9.0.2 through injecting and executing JavaScript.

Affected products

• Jsoneditoronline Jsoneditor: from 8.6.6, before 9.0.2 (fixed in 9.0.2)

Published 2021-01-11. Last modified 2026-06-17.