Comment 7 for bug 486284
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#7 |
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User-Agent: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9) Gecko/2008052912 Firefox/3.0
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9) Gecko/2008052912 Firefox/3.0
It is possible to bypass the maximum length limitation for text input fields with autocomplete. Autocomplete offers any text, even if it's longer than what is allowed and the field is consequently populated after selecting the too long text.
Reproducible: Always
Steps to Reproduce:
1. Create a new html file with following content in the body:
<form id="testForm" method="GET">
<input id="testInput" type="text" />
<input type="submit" />
</form>
2. Open the file in the browser and type "0123456789" in the input field and hit submit.
3. Change the file and add 'maxlength="5"' to the input field.
4. Go back to the browser and refresh.
Actual Results:
Now it is possible to select "0123456789" as value for the input field.
Expected Results:
Autocomplete should not render suggestions that are longer than _maxlength_ or when such a value is selected, it should be trimmed to a total length of _maxlength_.
I believe this is quite a critical issue, as most developers rely on the size of the strings that are provided by the limited input fields. That is - many applications probably would behave in an unexpected manner, when provided with longer texts.