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authorjoey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>2007-07-11 17:57:02 +0000
committerjoey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>2007-07-11 17:57:02 +0000
commit03dc63588c881ac38fcd8c7b5fefdc564e343b09 (patch)
tree405cd842589a7cf144d2227fe8c0108fd018e02c /doc
parenta8fa52080d8ba1df29543df5c6180b620cae59f6 (diff)
on second thought, simple alphanumeric styles are not actually useful (class is already supported), and anything more complex is too hard to do, so revert
Diffstat (limited to 'doc')
-rw-r--r--doc/plugins/htmlscrubber.mdwn8
1 files changed, 1 insertions, 7 deletions
diff --git a/doc/plugins/htmlscrubber.mdwn b/doc/plugins/htmlscrubber.mdwn
index cc749e2dc..6ce297a86 100644
--- a/doc/plugins/htmlscrubber.mdwn
+++ b/doc/plugins/htmlscrubber.mdwn
@@ -7,12 +7,7 @@ to avoid XSS attacks and the like.
It excludes all html tags and attributes except for those that are
whitelisted using the same lists as used by Mark Pilgrim's Universal Feed
Parser, documented at <http://feedparser.org/docs/html-sanitization.html>.
-Notably it strips `style` and `link`.
-
-For the `style` attribute, it varys slightly from the Universal Feed
-Parser, accepting simple alphanumeric style attributes (style="foo"), but
-stripping anything more complex to avoid any of the ways to insert
-JavaScript via style attributes.
+Notably it strips `style` and `link` tags, and the `style` attribute.
It uses the [[cpan HTML::Scrubber]] perl module to perform its html
sanitisation, and this perl module also deals with various entity encoding
@@ -41,4 +36,3 @@ plugin is active:
* <span style="background: url(javascript:window.location='http://example.org/')">CSS script test</span>
* <span style="&#x61;&#x6e;&#x79;&#x3a;&#x20;&#x65;&#x78;&#x70;&#x72;&#x65;&#x73;&#x73;&#x69;&#x6f;&#x6e;&#x28;&#x77;&#x69;&#x6e;&#x64;&#x6f;&#x77;&#x2e;&#x6c;&#x6f;&#x63;&#x61;&#x74;&#x69;&#x6f;&#x6e;&#x3d;&#x27;&#x68;&#x74;&#x74;&#x70;&#x3a;&#x2f;&#x2f;&#x65;&#x78;&#x61;&#x6d;&#x70;&#x6c;&#x65;&#x2e;&#x6f;&#x72;&#x67;&#x2f;&#x27;&#x29;">entity-encoded CSS script test</span>
* <span style="&#97;&#110;&#121;&#58;&#32;&#101;&#120;&#112;&#114;&#101;&#115;&#115;&#105;&#111;&#110;&#40;&#119;&#105;&#110;&#100;&#111;&#119;&#46;&#108;&#111;&#99;&#97;&#116;&#105;&#111;&#110;&#61;&#39;&#104;&#116;&#116;&#112;&#58;&#47;&#47;&#101;&#120;&#97;&#109;&#112;&#108;&#101;&#46;&#111;&#114;&#103;&#47;&#39;&#41;">entity-encoded CSS script test</span>
-* <span style="pretty">OTOH, this is ok, and will be accepted</a>