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| author | Joey Hess <joey@gnu.kitenet.net> | 2010-03-12 14:29:54 -0500 |
|---|---|---|
| committer | Joey Hess <joey@gnu.kitenet.net> | 2010-03-12 14:29:54 -0500 |
| commit | 556181d417e3461de56c43445ec9b2b0aefc7141 (patch) | |
| tree | 04e013468fba7bc97fe37c435c529a206b75c22f | |
| parent | 3fd202db7b3b3ea4eb8fc7ecda8db38f8ed788af (diff) | |
| download | ikiwiki-556181d417e3461de56c43445ec9b2b0aefc7141.tar ikiwiki-556181d417e3461de56c43445ec9b2b0aefc7141.tar.gz | |
data:image/svg is a security hole as javascript can presumably be inserted
| -rw-r--r-- | doc/todo/svg.mdwn | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/todo/svg.mdwn b/doc/todo/svg.mdwn index 2099751e3..274ebf3e3 100644 --- a/doc/todo/svg.mdwn +++ b/doc/todo/svg.mdwn @@ -58,6 +58,8 @@ in the trunk if other people think it's useful. [htmlscrubber.pm]:http://xbeta.org/gitweb/?p=xbeta/ikiwiki.git;a=blob;f=IkiWiki/Plugin/htmlscrubber.pm;h=3c0ddc8f25bd8cb863634a9d54b40e299e60f7df;hb=fe333c8e5b4a5f374a059596ee698dacd755182d [diff]: http://xbeta.org/gitweb/?p=xbeta/ikiwiki.git;a=blobdiff;f=IkiWiki/Plugin/htmlscrubber.pm;h=3c0ddc8f25bd8cb863634a9d54b40e299e60f7df;hp=3bdaccea119ec0e1b289a0da2f6d90e2219b8d66;hb=fe333c8e5b4a5f374a059596ee698dacd755182d;hpb=be0b4f603f918444b906e42825908ddac78b7073 +> Unfortuantly these links are broken. --[[Joey]] + * * * Actually, there's a way to embed SVG into MarkDown sources using the [data: URI scheme][rfc2397], [like this](data:image/svg+xml;base64,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). @@ -65,3 +67,11 @@ Of course, this way to display an image one needs to click a link, but it may be — [[Ivan_Shmakov]], 2010-03-12Z. [rfc2397]: http://tools.ietf.org/html/rfc2397 + +> You can do the same with img src actually. +> +> If svg markup allows unsafe elements (ie, javascript), +> which it appears to, +> then this is a security hole, and the htmlscrubber +> needs to lock it down more. Darn, now I have to spend my afternoon making +> security releases! --[[Joey]] |