Bug ID: 63216
           Summary: Only accept CAPTCHA responses with diacritics removed
           Product: MediaWiki extensions
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: Unprioritized
         Component: ConfirmEdit (CAPTCHA extension)
       Web browser: ---
   Mobile Platform: ---

With a fix for bug 5309, such as the one discussed at
<>, it’s entirely possible that a user
might get a CAPTCHA with illegible diacritics. Diacritics in Latin alphabets
can look identical to one another when distorted, for example i í ì ỉ, or ó ơ.

For better usability, ConfirmEdit should display a CAPTCHA containing
diacritics but require the user to enter the characters without diacritics.
There’s a third-party module called Unidecode that does a decent job of accent

One tradeoff would be that such CAPTCHAs might be easier for a bot to crack.
There’s also the issue that a character like Ê might be considered a base
letter in one language (as in Vietnamese) but a letter with a diacritic in
another (Portuguese).

You are receiving this mail because:
You are the assignee for the bug.
You are on the CC list for the bug.
Wikibugs-l mailing list

Reply via email to