CVE-2021-23899: Improper Restriction of XML External Entity Reference

January 13, 2021 (updated January 19, 2021)

OWASP json-sanitizer 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.

References

nvd.nist.gov/vuln/detail/CVE-2021-23899

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