What’s Vulnerable › Vulnerabilities

CVE-2020-23849

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-11 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• josdejong/jsoneditor: from 8.6.6 before 9.0.2 — fixed in 9.0.2

How to fix

Upgrade to a fixed version: josdejong/jsoneditor 9.0.2. Check the vendor advisory for mitigations.

References

• https://github.com/josdejong/jsoneditor/issues/1029
• https://github.com/josdejong/jsoneditor/issues/1029

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