[Webkit-unassigned] [Bug 236324] New: Clicking on an <input type="image"> will submit the form with null submitter

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 8 13:06:50 PST 2022


https://bugs.webkit.org/show_bug.cgi?id=236324

            Bug ID: 236324
           Summary: Clicking on an <input type="image"> will submit the
                    form with null submitter
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: andreu at andreubotella.com
                CC: cdumez at apple.com, wenson_hsieh at apple.com

If you submit a form by clicking on an <input type="image"> control, the x and y position of the click will be in the form's entry list, but the submitter field in the submit event will be null.

Per the spec, this is not supposed to happen, since step 6 in the image input activation behavior (https://html.spec.whatwg.org/multipage/input.html#image-button-state-(type=image):input-activation-behavior) runs the form submission algorithm "from the element", i.e. with the <input type="image"> element as the submitter.

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