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page writes wrong value into password to be saved or updated
Some webpages manage to write an incorrect value into the password that is saved by the "would you like to update this login?" (if you've already saved a working login) or "would you like firefox to remember this login?" (if you haven't previously saved a working login).
In each case, clicking the "show...." checkbox shows some value other than what was actually entered/used, causing the remembered login to fail.
The only way I've been able to work around this is to use the "Saved Password Editor" extension to fix what was saved, then to answer "no" to all future offers to update the login.
Here is one such page: https://mycw32.eclinicalweb.com/portal3397/jsp/100mp/login_otp.jsp
You don't need a valid account to observe the effect.
Another is the the login page of the Linksys 2500 wireless router, "Linksys E2500 Firmware Version: 2.0.00 "
I am pretty sure the web pages are doing this intentionally - I've only seen this behavior in these 2 places, but it is very consistent in those places; in the case of the Linksys, it has been this way for 4 - 5 years.
Alle svar (3)
By the way: Maybe this is actually a bug in firefox, rather than anything those webpages are doing.
Testing with the Linksys E2500 router, this issue does not occur on Google Chrome Version 62.0.3202.94 (Official Build) (64-bit).
Nor does it occur on "Chromium Version 62.0.3202.94 (Official Build) Built on Ubuntu , running on Ubuntu 14.04 (64-bit)"
Simlarly, both of the above versions of Chrome and Chromium work with: https://mycw32.eclinicalweb.com/portal3397/jsp/100mp/login_otp.jsp
Note that you can double-click the name and password fields in the Password Manager window (or use the right-click context menu) to edit these fields.
cor-el said
Note that you can double-click the name and password fields in the Password Manager window (or use the right-click context menu) to edit these fields.
Oops, I marked this "not helpful" or whatever, because that wasn't working for me - but I hadn't clicked "show passwords" - once I did that then that allows the password to be edited. Thanks for the tip!
But that still does not resolve the bug - the other browsers on Linux do not suffer this problem with the pages listed.