CVE-2021-23899

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CVSS 3.1

9.8 critical

EPSS

2%p80

Published

Jan 13, 2021 (Jan 13, 2021)

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.

Vendors: owasp
Products: json-sanitizer
Weakness: CWE-611
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.1%)

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