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Tag Archives: attack

Injecting a JavaScript Attack Vector using CSS Custom Properties

As the syntax for CSS Custom Properties is overly permissive it’s possible to store a JavaScript attack vector in them …

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Posted byBramus!December 22, 2020December 27, 2020Posted inOriginal ContentTags: attack, csp, css, custom properties, javascript3 Comments on Injecting a JavaScript Attack Vector using CSS Custom Properties

About Bram.us

Bram.us is the technical/geeky weblog of Bramus Van Damme, a Freelance Web Developer from Belgium.

Main topics are web related technologies (CSS, JS, PHP, …), along with other geeky things (robots, space, …) and personal interests (cartography, music, movies, …).

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