CVE-2021-23899

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

OWASP json-sanitizer before 1.2.2 may emit closing SCRIPT tags and CDATA section delimiters for crafted input. This allows an attacker to inject arbitrary HTML or XML into embedding documents.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-611

Affected software

No affected versions have been published.

Timeline

Published: Jan 13, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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