-[[template id=plugin name=htmlscrubber core=1 author="[[Joey]]"]]
-[[tag type/html]]
+[[!template id=plugin name=htmlscrubber core=1 author="[[Joey]]"]]
+[[!tag type/html]]
This plugin is enabled by default. It sanitizes the html on pages it renders
to avoid XSS attacks and the like.
Parser, documented at <http://feedparser.org/docs/html-sanitization.html>.
Notably it strips `style` and `link` tags, and the `style` attribute.
-It uses the [[cpan HTML::Scrubber]] perl module to perform its html
+All attributes that can be used to specify an url are checked to make sure
+that the url is in a known, safe scheme, and to block embedded javascript
+in such urls.
+
+It uses the [[!cpan HTML::Scrubber]] perl module to perform its html
sanitisation, and this perl module also deals with various entity encoding
tricks.
sanitisation is only a patch on the underlying gaping hole that is your web
browser.
-Note that enabling or disabling the htmlscrubber plugin also affects some other
-HTML-related functionality, such as whether [[meta]] allows potentially unsafe
-HTML tags.
+Note that enabling or disabling the htmlscrubber plugin also affects some
+other HTML-related functionality, such as whether [[meta]] allows
+potentially unsafe HTML tags.
+
+The `htmlscrubber_skip` configuration setting can be used to skip scrubbing
+of some pages. Set it to a [[PageSpec]], such as "!*/Discussion", and pages
+matching that can have all the evil CSS, JavsScript, and unsafe html
+elements you like. One safe way to use this is to use [[lockedit]] to lock
+those pages, so only admins can edit them.
----