How do I report a possible security vulnerability?

We take security vulnerabilities very seriously and work hard to provide a secure online experience for our users. If you believe you have discovered a security issue that affects many users, please report it to us so we can investigate and correct the problem.

To report a security vulnerability, pleasecontact us directly. Do not post reports of security vulnerabilities on our meta site. Choose "Other" as the request type and include the words "Security Vulnerability" in the email body. Include as much information as you can about the issue and detailed instructions about how to reproduce it.