User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0 (Beta/Release) Build ID: 20130511120803 Steps to reproduce: Installed the Firefox Addon MuLTiFlow from here: https://addons.mozilla.org/en-us/firefox/addon/multiflow/ P.S. I am one of the owners of the addon, so if there is something I can do to the addon to stop making this happen, I can do that. Actual results: Firefox --> About menu gets broken, i.e., shows XML named entity declaration error (appropriate DTD doesn't load, probably). Expected results: Firefox --> About menu should have been intact.
As far as I can see this is reproducible on the previous versions of Firefox (19, 20), so it's not a regression. You could ask for help on IRC Mozilla / addons channel. If you solve your problem, please don't forget to get back and close this bug.
This is not the right place to track problems in add-ons. To get help and fix your issue, please either post in the forums (https://forums.mozilla.org/addons/) or the #extdev channel on Mozilla IRC (http://wiki.mozilla.org/IRC).
Status: UNCONFIRMED → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → INVALID
I reported this as a security lapse in Firefox that allowed addons to modify its crucial menus by accident. In any case I managed to fix my addon without anyone's help but it is nice to know the consequences in Firefox for a broader audience. To fix this bug I had to just remove some lines from my chrome.manifest related to branding: locale branding en-US chrome/locale/branding/ locale branding de-DE chrome/locale/branding/ ... content branding branding/ I suppose these are only required for the standalone and not for the addon..
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