GMS-2013-13: Cross-Site Scripting with connect.methodOverride()

June 27, 2013

The middleware overwrites req.method with the req.body[’_method’] value. When you don’t catch the error it responds with a default error msg: “Cannot [METHOD] [URL]” . Because this is not enough sanitized, you can force a Cross-Site Scripting in the response.

References

github.com/senchalabs/connect/issues/831

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