From OpenStreetMap Wiki
Please list here the plugins in use and what task they perform
- https://wordpress.org/plugins/enable-media-replace/ - allows replacement of files with new versions retaining the same name, temporary for fixes on flags, may be deactivated after (blog.openstreetmap.de only)
- http://wordpress.org/plugins/svg-support/ - allows uploading of SVG and viewing in the media library (blog.openstreetmap.de only)
https://wordpress.org/plugins/file-manager/ - allow viewing of file tree and editing .htaccess, deactivate when not in usenot a good idea, can edit configuration and lock everybody out.