Tabnabbing on spec-disrespecting browsers

Some browsers do not comply with the 2021 HTML specification, meaning that an attacker can redirect the parent window. This applies to links in descriptions // Create a new card // Add https://someevilsite.com to card // Now the site can do the following:...

GHSA-P2G9-94WH-65C2 Space bug in `clean_text`

An incorrect mapping from HTML specification to ASCII codes was used. Because HTML treats the Form Feed as whitespace, code like this has an injection bug: let html = format!"", cleantextusersuppliedstring; Applications are not affected if they quote their attributes, or if they don't use cleante...

Having fun with

Did you know that this works in every browser? Look, here's one: An image You might think it's leaking from SVG, but SVG images don't use src, they use xlink:href. Let's all take a moment to laugh at xlink. Done? Ok… In the first age of the web, some people accidentally typed instead of . Browser...