HTML Sanitization

Description

For sanitizing HTML, we have certain rules that we adhere to. We only allow a certain set of HTML Tags, HTML Attributes and HTML Styles in the body. All other HTML information is stripped by default.

White-listed HTML TAGS:

• a
• p
• b, i, strong, em, u, s
• pre
• blockquote
• span
• img
• br
• td, tr, th, tbody, thead, table
• caption
• li, hr, ul, ol
• h1, h2, h3, h4, h5
• summary
• div
• iframe
• code

White-listed HTML ATTRS:

• src
• href
• style
• colspan
• border
• cellpadding
• cellspacing
• align
• class
• height
• width
• frameborder
• target
• rel

White-listed HTML STYLES:

• width
• height
• margin
• margin-left
• margin-right
• margin-top
• margin-bottom