CVE-2013-0175: Erik Michaels-Ober Multi XML

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

multi_xml gem 0.5.2 for Ruby, as used in Grape before 0.2.6 and possibly other products, does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging support for (1) YAML type conversion or (2) Symbol type conversion, a similar vulnerability to CVE-2013-0156.

Affected products

• Erik Michaels-Ober Multi XML: version 0.5.2 only
• Grape Project Grape: version 0.1.0 only; version 0.1.1 only; version 0.1.2 only; version 0.1.3 only; version 0.1.4 only; version 0.1.5 only; …

Published 2013-04-25. Last modified 2026-06-16.