Last modified: 2013-10-25 16:14:41 UTC
I think this gets fixed with the patch that adds the little thumbnail's src to the lightbox image's src, but it'd be good to check.
Change 91533 had a related patch set uploaded by MarkTraceur: Clear interface before opening again https://gerrit.wikimedia.org/r/91533
Change 91533 merged by jenkins-bot: Clear interface before opening again https://gerrit.wikimedia.org/r/91533