These all might need to be blocked when 'unsafe-inline' is not whitelisted for the 'style-src' Content Security Policy directive: > * doc.body.style.background = "..."; > * doc.body.bgcolor = "..."; > * doc.body.appendChild(doc.createElement("font")); > * bgcolor attributes appearing in the markup > * <font> elements appearing in the markup See http://lists.w3.org/Archives/Public/public-webappsec/2012Sep/0055.html for context.
Unassigning myself; let's be realistic about what I'm actually working on. :/
The style-src changes in Bug 116508 may have addressed this. Dan, can you take a look?