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compare: prevent XSS due to unescaped branch/tag/bookmark names
In the revision selection dropdown of the 'Compare' functionality, the
branch/tag/bookmark names were not correctly escaped.
This means that if an attacker is able to push a branch/tag/bookmark
containing HTML/JavaScript in its name, then that code would be evaluated.
This is a cross-site scripting (XSS) vulnerability.
Fix the problem by correctly escaping the branch/tag/bookmarks.
In the revision selection dropdown of the 'Compare' functionality, the
branch/tag/bookmark names were not correctly escaped.
This means that if an attacker is able to push a branch/tag/bookmark
containing HTML/JavaScript in its name, then that code would be evaluated.
This is a cross-site scripting (XSS) vulnerability.
Fix the problem by correctly escaping the branch/tag/bookmarks.