electronic payment duplicated




9 years ago
8 years ago


(Reporter: babsrok, Unassigned)


Firefox Tracking Flags

(Not tracked)


(Whiteboard: [CLOSEME 2011-1-30], URL)



9 years ago
User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20100315 Firefox/3.5.9 GTB7.1
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20100315 Firefox/3.5.9 GTB7.1

purchasing item from oo - entered credit card details as per usual and submit payment only once and 2 debits on my bank statement. 
Bank states: impossible for them to duplicate without input from merchant, merchant states: not their fault. 
This has happened once before since using Firefox (my preference to IE) but never happened with IE.
can you please explain?

Reproducible: Didn't try

Comment 1

9 years ago
Your browser isn't supposed to do that, not even when you double click on the submit button (there's a special check for that). Unless you press the back button, and click the submit button again (which is what you NEVER, NEVER should do !).

On the other hand, the website (whether the merchant, the bank or the credit processor) should also take measures to prevent that. Submitting the same order withing 10 seconds should not be possible for instance (caused by a double click ?), going backwards should not be possible, or your shopping basket should be marked as done, etc ... . It's too easy for them to shift the blame to the browser, while it's *them* that are responsible for a secure transaction.

Comment 2

9 years ago
Thanks Jo - you have confirmed what I have thought all along - it's either/any of the systems that process the payment that has the weak/blind spot that has caused this to happen.
And, they are both too quick to blame the other - I have submitted a Dispute Form with the Bank and they will investigate - am keen to see how they sort it out ... if ever! If they don't I'll have done $60.00 and will always go through PayPal in future.
Reporter, are you still seeing this issue with Firefox 3.6.13 or later in safe mode? If not, please close. These links can help you in your testing.

You can also try to reproduce in Firefox 4 Beta 8 or later, there are many improvements in the new version, http://www.mozilla.com/en-US/firefox/all-beta.html
Whiteboard: [CLOSEME 2011-1-30]
No reply, INCOMPLETE. Please retest with Firefox 3.6.13 or later and a new profile (http://support.mozilla.com/kb/Managing+profiles). If you continue to see this issue with the newest firefox and a new profile, then please comment on this bug.
Last Resolved: 8 years ago
Resolution: --- → INCOMPLETE
You need to log in before you can comment on or make changes to this bug.