CWE Code: 20
Vulnerability Type: privilege_escalation
CVSS Score: 9.3
CWE Name:  Improper Input Validation
Summary: the nsiscriptableunescapehtml.parsefragment method in the paranoidfragmentsink protection mechanism in mozilla firefox before 3.5.17 and 3.6.x before 3.6.14, thunderbird before 3.1.8, and seamonkey before 2.0.12 does not properly sanitize html in a chrome document, which makes it easier for remote attackers to execute arbitrary javascript with chrome privileges via a javascript: uri in input to an extension, as demonstrated by a javascript:alert sequence in (1) the href attribute of an a element or (2) the action attribute of a form element.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: NETWORK
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2010-04-28
Last Modified Date: 2018-10-10