IMPORTANT: This version of Sitefinity CMS is out of support and the respective product documentation is no longer maintained and can be outdated. Use the version selector to view a supported product version.

Reference: HTML sanitizer whitelist

HTML tags	a abbr acronym address area article aside b bdi big blockquote br button caption center cite code col colgroup data datalist dd del details dfn dir div dl dt em fieldset figcaption figure font footer form h1 h2 h3 h4 h5 h6 header hr i img input ins kbd keygen label legend li main map mark menu menuitem meter nav ol optgroup option output p pre progress q rp rt ruby s samp section select small span strike strong sub summary sup table tbody td textarea tfoot th thead time tr tt u ul var wbr video
HTML tags attributes	abbr accept accept-charset accesskey action align alt autocomplete autosave axis bgcolor border cellpadding cellspacing challenge char charoff charset checked cite clear color cols colspan compact contenteditable coords datetime dir disabled draggable dropzone enctype for frame headers height high href hreflang hspace ismap keytype label lang list longdesc low max maxlength media method min multiple name nohref noshade novalidate nowrap open optimum pattern placeholder prompt pubdate radiogroup readonly rel required rev reversed rows rowspan rules scope selected shape size span spellcheck src start step style summary tabindex target title type usemap valign value vspace width wrap controls class data-*
CSS properties	background background-attachment background-color background-image background-position background-repeat border border-bottom border-bottom-color border-bottom-style border-bottom-width border-collapse border-color border-left border-left-color border-left-style border-left-width border-right border-right-color border-right-style border-right-width border-spacing border-style border-top border-top-color border-top-style border-top-width border-width bottom caption-side clear clip color content counter-increment counter-reset cursor direction display empty-cells float font font-family font-size font-style font-variant font-weight height left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-bottom margin-left margin-right margin-top max-height max-width min-height min-width opacity orphans outline outline-color outline-style outline-width overflow padding padding-bottom padding-left padding-right padding-top page-break-after page-break-before page-break-inside quotes right table-layout text-align text-decoration text-indent text-transform top unicode-bidi vertical-align visibility white-space widows width word-spacing z-index
CSS at-rules	namespace style NOTE: style refers to style declarations within other at-rules, such as @media. IMPORTANT: Blacklisting @namespace while whitelisting other types of at-rules can lead to errors. Property declarations in @font-face and @viewport are not sanitized. NOTE: The style tag is blacklisted by default, as opposed to the style attribute.
URI schemes	http https maito NOTE: Protocol-relative URLs, for example, //GitHub.com, are whitelisted by default, as are other relative URLs.
Attributes that contain URIs	action background dynsrc href lowsrc src

Was this article helpful?

Yes No

Would you like to submit additional feedback?

Your feedback about this content is important

How helpful is this article?

Very helpful Somewhat helpful Not helpful

How can we improve this article?(Optional)

Fix typos or links

Fix incorrect information

Add or update code samples

Add or update illustrations

Add information about...

Send feedback Cancel