CVE-2021-23900: Owasp JSON-Sanitizer

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

OWASP json-sanitizer before 1.2.2 can output invalid JSON or throw an undeclared exception for crafted input. This may lead to denial of service if the application is not prepared to handle these situations.

Affected products

• Owasp JSON-Sanitizer: before 1.2.2 (fixed in 1.2.2)

Published 2021-01-13. Last modified 2026-06-17.