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| author | Joey Hess <joey@gnu.kitenet.net> | 2010-03-12 14:49:13 -0500 |
|---|---|---|
| committer | Joey Hess <joey@gnu.kitenet.net> | 2010-03-12 14:50:26 -0500 |
| commit | 2ad3e60ee8272b7cccfd83ae02d5b45e2cec003d (patch) | |
| tree | ac6f6c025cb14790773f8530c6356dfa4c5b1b0c /IkiWiki/Plugin | |
| parent | 556181d417e3461de56c43445ec9b2b0aefc7141 (diff) | |
| download | ikiwiki-2ad3e60ee8272b7cccfd83ae02d5b45e2cec003d.tar ikiwiki-2ad3e60ee8272b7cccfd83ae02d5b45e2cec003d.tar.gz | |
htmlscrubber: Security fix: In data:image/* uris, only allow a few whitelisted image types. No svg.
Diffstat (limited to 'IkiWiki/Plugin')
| -rw-r--r-- | IkiWiki/Plugin/htmlscrubber.pm | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/IkiWiki/Plugin/htmlscrubber.pm b/IkiWiki/Plugin/htmlscrubber.pm index ee284a45c..26e18ffc7 100644 --- a/IkiWiki/Plugin/htmlscrubber.pm +++ b/IkiWiki/Plugin/htmlscrubber.pm @@ -30,9 +30,9 @@ sub import { "msnim", "notes", "rsync", "secondlife", "skype", "ssh", "sftp", "smb", "sms", "snews", "webcal", "ymsgr", ); - # data is a special case. Allow data:image/*, but - # disallow data:text/javascript and everything else. - $safe_url_regexp=qr/^(?:(?:$uri_schemes):|data:image\/|[^:]+(?:$|\/))/i; + # data is a special case. Allow a few data:image/ types, + # but disallow data:text/javascript and everything else. + $safe_url_regexp=qr/^(?:(?:$uri_schemes):|data:image\/(?:png|jpeg|gif)|[^:]+(?:$|\/))/i; } sub getsetup () { |