When using the upload wizard, entering a convoluted file name (for instance, using syntax to create a wikilink) results in an error message, and no apparent way to go back and choose another name. This seems similar to https://bugzilla.wikimedia.org/show_bug.cgi?id=26049 but not quite the same.
Version: unspecified
Severity: normal
URL: http://commons.wikimedia.org/wiki/Special:UploadWizard