How to stop the browser filling inputs with data - javascript

Here's the scenario: I login to my site, at which point the browser asks me if I would like to save my details, I click yes. Later on I wish to change my password, so I go to the change password page. The browser automatically assumes the 'old password' input box is a login box and puts in the current password. This means all I have to do is type in a new password twice and the password will be changed.
It is easy to see how this is a potential security risk... I have tried a couple methods to override this which were:
Explicitly setting the input value to blank in HTML.
Setting autocomplete to off in HTML.
Using Javascript to set the value to blank (on page load, click, setTimeout).
None of my attempts thus far have worked. So my question is: Is there a cross browser solution that allows a developer to override/specifically declare where passwords should and shouldn't be filled in by the browser?

Example (of what to do):<input type="text" value="" placeholder=""></input>
Hope it helped

Just add autocomplete="off" so the browser not touch your box anymore.
<input type="text" name="xxx" autocomplete="off" />

Unfortunately it seems that, backed up by the research I have done and the response to my question, the answer is that there isn't currently a reliable, cross browser solution for this problem.

Related

How do I stop browsers for suggesting inputs for fields?

I have an input text field, when user enters any alphabet/word, I have to suggest relevant topics.
The problem here is, the browser is also doing the same thing. It is showing previously entered data, which overrides the information shown in the site.
PFB the image, the circled black d, is a suggestion by browser (firefox in this case) and below list, (Git-Commands, Equals Method etc) is shown by me.
I want browsers to stop showing suggestions for this particular field.
How to do that?
The site is build in simple HTML and JavaScript.
Reference The searchbox on homepage on : mohitkanwar.com
PS: I have tried using autocomplete="off" . It does not work here, as it is not autocomplete, it is suggesting.
<input autocomplete="off">
Should do it. It will NOT work on login-fields, however, as most Browser vendors decided to ignore the setting there. Further Information:
https://developer.mozilla.org/en-US/docs/Web/Security/Securing_your_site/Turning_off_form_autocompletion
Use the autocomplete attribute, see http://www.w3schools.com/tags/att_input_autocomplete.asp for details.

HTML disable wrong autocompletion

I am currently working on an Angular web-application.
This application consists of two single-page-applications:
- Login-Page, accessible over "domain/login.html", containing login-logic.
- Application-Page, accessible over "domain/", containing the concrete application.
If you try to access "domain/", the server redirects you to "domain/login.html", if you are not logged in yet. Otherwise you will get the Application-Page (no redirect).
In the concrete application there is a Change-Password-Page, where you have to enter the old password and the new password (twice).
The problems start, if you say "save password" on the login-page. The saved password is automatically filled inside the "Old-Password" field.
Also there is another page having a text field and a password field directly after each other (where the text-field is for a phonenumber) and the browser inserts the username into the "phonenumber"-field and the password inside the password field. This is really strange, as the fields have different names and ids and are even on another page (again one is "/login.html" and one is "/")
As this behaivor is incorrect i would really like to disable it. However I was not able to do that until now.
What i tryed:
autocomplete=off, for form and input-tags. This seems to be ignored by most modern browsers.
Two hidden (display:none) input-fields (text + password) on first position. Seems to work for Firefox, but Chrome and Opera still give you the possibility to autocomplete the fields.
Use type="text" for password-field and change it to password inside javascript-code. Again Opera and Chrome still give possibility to autocomplete those values.
So I am looking for a (clean) solution to turn off the wrong autocompletion.
Is that somehow possible?
I have been encountering this issue lately, specifically with chrome. It seems that
autocomplete="off" || autocomplete="false"
are not being picked up anymore by Chrome (or most other browsers as far as i'm aware). I found the following sources helpful :
Chromium (which i believe is what a lot of Chrome is based on) has the following code that shows the regex that is used when finding fields to populate with Chrome's autocomplete:
https://cs.chromium.org/chromium/src/components/autofill/core/common/autofill_regex_constants.cc?sq=package:chromium&g=0&l=262
I feel like they only other work around that I have found is to follow these conventions :
https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/autocomplete
Or at least make sure that you give an attribute that's disimilar enough from the above list so it that wont get picked up by autocomplete features.

Chrome credit card autofill not being triggered

I followed the advice given in this other Stack Overflow post and used a pattern found in the list of regexes used by Chrome, but for some reason Chrome is still not detecting that my field is a credit card field.
Safari detects it just fine.
Here's the input HTML, as shown by the web inspector:
<input class="control" id="card_number" type="tel" name="card_number"
value="" autocorrect="off" spellcheck="off" autocapitalize="off"
placeholder="Card number" data-reactid=".0.1.1.0.0.5.0.0"
x-autocompletetype="cc-number" autocompletetype="cc-number">
Yes, as you can see from the data-reactid, I am using React. Maybe that has something to do with it. Who knows!
I've set up a test page so that others can play with it. You can visit https://entire.life/payment-form-test in Safari, and (if you have autofill enabled and a credit card saved to it), it will pop up. If you visit it in Chrome, it will not pop up the autofill option. Even after typing the first letter of your card.
This code is open source. You can see the source for the /payment-form-test page here.
It will work if you add following attributes to respective input elements:
autocomplete="cc-number"
autocomplete="cc-exp"
autocomplete="cc-csc"
Also I noticed that Chrome will not autocomplete if one of the cc fields is missing.
You can play around here - https://jsfiddle.net/q4gz33dg/2/
Name your expiration fields card_expiry_month and card_expiry_year. I'm not sure why your current names don't trigger the regex, but changing the names seems to work.
http://jsfiddle.net/7b6xtns7/ (it's a bit messy since it's not rendered)
Edit:
Looks like ordering has to do with it too. If that doesn't work try putting the month/date immediately after the number entry field
http://jsfiddle.net/c86Lmo0L/
The accepted answer is great, thought I'd just chime in with some documentation and a note regarding React (tagged for this question)..
React requires you to pass the attribute as autoComplete="cc-number" (note camelCase), otherwise it will default to autocomplete="off".
More info:
React attributes: https://facebook.github.io/react/docs/tags-and-attributes.html
Useful examples: https://developers.google.com/web/updates/2015/06/checkout-faster-with-autofill
https://html.spec.whatwg.org/multipage/forms.html#autofill
I can confirm that. For instance, some websites only have autocomplete without any value as tag attribute.
By opening the web dev console (CTRL + SHIFT + I) I could jump to the element, double click the autocomplete tag to replace it autocomplete="cc-number", and double click in the field to autocomplete the CC details by the opening selection dialog.
All that alteration can still be much faster than fiddling with the credit card details from another app or physically holding the card .

how to direct a user to a url using a user input javascript

I am new to any kind of coding and was wondering if anyone could help me out as this is a major part of my website.
Also I am using a website creator (Wix.com) as I don't really know much coding, which means I can only use html/javascript
what I'm after doing is having a user input box that requires a reference number that I will be sending out with my products, when submitted I want it to take them to the relevant page e.g. my site is http://www.scotttaylor1989.wix.com/authenticproducts (soon to be www.authentic-products.com) and say the reference number is 123456789 when submit is clicked i want it to take them to scotttaylor1989.wix.com/authenticproducts/123456789 (www.authentic-products.com/123456789) ill obviously change the code when my site address changes.
On the other hand say 987654321 is NOT a reference number and they enter it and click submit I want an alert to pop up saying invalid reference number.
Below is what I have so far not much I know but javascript baffles me :/, I've been searching the internet for days and can't find a solution as everyone is doing it using php, any help would be much appreciated ;)
I don't want the code given to me as I want to learn how it works I've looked around www.w3schools.com but just don't know how its done.
<form name="RefChecker">
<input type="text" placeholder="Enter Reference Number" name="ref">
<input type="submit" value="submit" onclick="gotoref()"?
</form>
<script type="text/javascript">
function gotoref()
{
}
</script>
use the form submit event and not the click event. Return false from the submit event to not submit the form
If you do not user a server process you need to store the reference number in the page which can easily be viewed by looking at the source. Is that ok?
You ask for suggestions but no code so here is my suggestion
A solution that might work for you is to put an image on the server called 123456789.gif
In the submit event of the form you can load an image with the value in the field+"gif" and return false to cancel the submission
onerror of the gif alert the error, onload, change the location to "/"+value of field

Simple & basic form spam reduction: checking for Javascript?

I'm trying to reduce the form spam on our website. (It's actually pretty recent).
I seem to remember reading somewhere that the spammers aren't executing the Javascript on the site.
Is that true?
And if so, then could you simply check for javascript being disabled and then figure it's likely that it's spam?
There are still a large number of people that run with Javascript turned off.
Alternatively, I have had decent success with stopping form spam using CSS. Basically, include an input field and label that is hidden using CSS (display: none;) and once submitted, check if anything has been entered in the field.
I generally label the field as a spam filter with an instruction to not put anything in the field, but all newer browsers will properly hide the block.
More: Fighting Spam with CSS
reCAPTCHA is also surprisingly easy to implement.
check http://kahi.cz/wordpress/ravens-antispam-plugin/ for a nice answer
if puts in
<noscript><p><label for="websiteurl99f">Please type "e73053": </label><input type="text" name="websiteurl99f" id="websiteurl99f" /></p></noscript>
<script type="text/javascript">/* <![CDATA[ */ document.write('<div><input type="hidden" name="websiteurl99f" value="e' + '73053" \/><\/div>'); /* ]]> */</script>
so javascript users see nothing, non js users just type in a word
if a spammer targets you specifically it won't take them long to code round it but for drive by spammers it should be good
In the same vein, adding a dummy field and then using CSS to hide it is a good way to trick the bots. If the field is submitted, you know a non-human probably completed the form.
Especially effective if you label/name the field something along the lines of URL or website.
You could check - have JavaScript that populates a hidden form field with a specific value after the page loads. Then, when the page posts back to the server, check that hidden form field the expected value. If it is not there, that means the JavaScript didn't execute.
As to whether you should assume it is spam is another story altogether, and one that has no certain answer, really. You could simply have a <noscript> tag and have it indicate to the user that their submission will not take unless they enable JavaScript.
Once you have JavaScript running, however, the spammers will just use another workaround for that. :)
I can't remember where I've seen this method but spam bots like to fill out forms. Have you considered putting a form field that is hidden with javascript (and says don't fill this field if the user doesn't have JavaScript). This way if something fills in this field you can ignore it as spam.
Did you have any luck with this? I think some text based browsers have implemented basic JavaScript support, so maybe spam bots have as well?
Otherwise I'm considering using a captcha for users without JavaScript and some automatic JavaScript check for other users.

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