Mozilla · Firefox · CVE-2006-0299
**Name of the Vulnerable Software and Affected Versions**
Mozilla Firefox versions prior to 1.5.0.1
Thunderbird version 1.5
SeaMonkey versions prior to 1.0
**Description**
The E4X implementation exposes the internal `AnyName` object to external interfaces, allowing multiple cooperating domains to exchange information in violation of the same origin restrictions.
**Recommendations**
For Mozilla Firefox versions prior to 1.5.0.1, update to version 1.5.0.1 or later.
For Thunderbird version 1.5, consider disabling Javascript in mail as a temporary workaround until a patch is available.
For SeaMonkey versions prior to 1.0, update to version 1.0 or later.