Vulnerability CVE-2021-23899
Published: 2021-01-13

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.

Type:

CWE-611

 (Information Exposure Through XML External Entity Reference)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Owasp -> Json-sanitizer 

 References:
https://github.com/OWASP/json-sanitizer/commit/a37f594f7378a1c76b3283e0dab9e1ab1dc0247e
https://github.com/OWASP/json-sanitizer/compare/v1.2.1...v1.2.2
https://groups.google.com/g/json-sanitizer-support/c/dAW1AeNMoA0
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