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i have this strange behaviour that on one of my sites the form submits empty forms from time to time (incl. saving of empty table rows) - the mail for the user was also not sent. how can i debug such a behaviour?
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anyone else got the same problems?
all versions (joomla / chronoforms are up2date)
php downgraded to version 7.1.x because of those „cgecore bug about sendmail“ mentioned in another threat here...

do you use any security fields ?

No the form is only available after a login which means it is / was not necessary to implement any kind of security / captcha...

Hi Proximate,
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It's possible that a form link is visible and is being scanned by bots which trigger an empty submission. Server side validation should block any submissions like that.
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Bob

unfortunately not, i can see that the form was sent related to a user and no, the form itself is not accessible when not logged in. on the other hand we receive from time to time complaints from users that not listed after a registration (its an event registration form) - so those are 100 percent users that filled the form, sent it and it was saved with blank values .
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additionally we have a couple of required fields where empty values are not allowed to send.
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i have now enabled log hopefully this helps me identifying the issue

I suggest that you record or ask about the OS used when the submission is empty, does that provide any hints ?

Same problem on 2 forms. Every day I receive a couple of messages empty, and in the db is stored an empty row.
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In the form there are many required fileds and a captcha confirmation. Manually is impossible to submit an empty form.
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Please give me suggestions, thanks.

which version ? do you have security fields setup correctly ?
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If it's okay for you, you may run the following test:
install the new v7, create a new form with the same name as your existing form and with the same fields names and everything, place the new form under the same url of the current form, do you get the same issue ?

hi max
it‘s me again... it happened again last week i will check the php errorlogs later this day. what i already found out: the „saving“ does not create a log entry in chronoforms either (as if this form wouldn‘t been saved) but i got again this empty row in my table.
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its for a customer of mine so i have no direct contact to the form users. what i‘m think it looks like they are mostly „basic“ users... and so far all of them used chrome (latest version).
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but again i was not able to force the issue myself.
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my form is a multipage form (no ajax) 2nd page is for save the form and confirmation
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for me its one of the complexest forms i‘ve made - i could it export and attach here if that could help?