Developer HubDownload FirefoxRegister or Log in

Thanks for visiting this site! Please take a minute or two to tell Firefox about your experience.

Take short survey

CSS Exfil Protection by Mike Gualtieri

Guard your browser against CSS Exfil attacks!

CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.

Only with Firefox—Get Firefox Now
663
Users
6
Ratings
Overall Rating
About this extension
Guard your browser against CSS Exfil attacks!

CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.
Rate your experience
How are you enjoying your experience with CSS Exfil Protection?

Report this add-on for abuse

If you think this add-on violates Mozilla's add-on policies or has security or privacy issues, please report these issues to Mozilla using this form.

Please don't use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer.

Dismiss
Add to collection
More information
Add-on Links
Version
1.0.8
Last updated
5 months ago (Mar 6, 2018)
License
MIT/X11 License
Version History
Release notes for 1.0.8
Bugfix release which will improve scanning of cross-domain stylesheets