CVE-2020-13973 Information

Description

OWASP json-sanitizer before 1.2.1 allows XSS. An attacker who controls a substring of the input JSON and controls another substring adjacent to a SCRIPT element in which the output is embedded as JavaScript may be able to confuse the HTML parser as to where the SCRIPT element ends and cause non-script content to be interpreted as JavaScript.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/OWASP/json-sanitizer/pull/20

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1