VULNERABILITY INTELLIGENCE

CVE-2013-0757

CVSS score9.3 HIGH
EPSS probability60.86%
CISA KEVNot currently listed
Published2013-01-13
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C

Description

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 does not prevent modifications to the prototype of an object, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges by referencing Object.prototype.__proto__ in a crafted HTML document.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references