Steam Vulnerabilities – Part 1


I decided to take a look at the security of Valve’s websites recently after noticing Valve put up a security disclosure page two weeks ago. Although I did take a look at non-Steam websites, I focused almost entirely on the Steam Community and store because of how widely it is used via the Steam client.

I submit these issues and most of them were fixed within a week. So if you know of any Steam or Valve related product exploits and haven’t had a chance or are not sure how to report them, you can send the vulnerabilities in an email to

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Facebook – Stored Cross-Site Scripting (XSS) – Badges

The Facebook badges page was vulnerable to stored Cross-Site Scripting (XSS). This was initially reported back in August 2013, but due to communication problems over e-mail it wasn’t fixed until early January. Neither party is to blame, but this shows some of the difficulties that companies can face communicating with security researchers.

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