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Edit summaries of revisions of restricted pages are leaked with some actions

The edit summary of revisions for a restricted page can be leaked in the following ways:

  • Through the page's history RSS feed
  • Through the page's recent changes RSS feed
  • Through the ?action=query&prop=revisions API
  • Through the watchlist page for restricted articles the user is watching
  • On Special:Recentchanges

Leaking the edit summary is medium-severity, and should be patched wherever possible.

Edited by Marijn van Wezel