CVE-2023-0842: XML2JS Project XML2JS

Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days.

xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.

Affected products

Published 2023-04-05. Last modified 2026-06-17.