Now if this was the HTML page itself, it would be pretty easy to send an HTTP header to clue in the browser (force expiry IIRC), but the browser will ask for the image in a separate connection ...

A serious code injection vulnerability affecting timthumb, a popular image resize script used in many WordPress themes and plugins, has been exploited in recent months to compromise over 1 million ...

Unlike raster images, like JPG and PNG, SVGs are vector images based on XML and can contain HTML script tags. When an HTML document displays an SVG image through an <embed> or <iframe> tag, the ...