What is “OpenSuse Firefox Extensions 1.0” add-on to Firefox, and why can’t I uninstall it?
Does it have anything to do with the controversial new Ubuntu “multisearch” extensions (New Firefox Add-on - Ubuntu Forums)? The extension about dialog lists Contributors: Ubufox contributors.
CanOfWires,
>
> What is “OpenSuse Firefox Extensions 1.0” add-on to Firefox, and why
> can’t I uninstall it?
I’m not sure what this is. Can’t find anything on it. Might it be that this add-
on was installedinto an earlier firefox version? That might be the reason for
you being unable to have uninstalled.
–
Niclas Ekstedt, CNA/CNE/CNS/CLS
Systems Engineer
Atea Sverige AB
Perhaps its the default opensuse homepage and some brandings in the about dialog?
But today I got another extension/theme with oxygen icons for my firefox installed automatically by YaST (with Mozilla repo enabled). So since today it fits even better in KDE. 
Right click on it and you will see its homepage is Mozilla/susefox - openSUSE, where it’s explained
Why it’s installed in /usr/share/mozilla/extensions/ by the MozillaFirefox-branding-openSUSE package and… there is no way an app without root permissions could be able to modify any file in that path, basic Unix system security.
Install MozillaFirefox-branding-upstream instead and the extension will disappear.
But you can just disable it…