CSS Exfil Protection

CSS Exfil Protection extension for Chrome.

Information about the plugins and the CSS Exfil attack can be found here:

• Stealing Data With CSS: Attack and Defense
• CSS Exfil Vulnerability Tester
• CSS Exif Protection POC Tester

How To Test

Go to any website and go into Inspect Element and then Console/Network. You can also due to this by press F12.

Issues

• Like UBlockOrigin it has to stay on "Manifest v2" due to Manifest v3 limitations. See here
• Enable Manifest v2 Legacy and further support on Brave. To do this, go into brave://flags and type Manifest v2 and enable the 2 options.

Screenshot

Contributing

If reporting bugs please include the steps to replicate. Useful information includes:

• URL which triggers the error
• Expected result
• Actual result

Credits

• mlgualtieri - Original Developer
• Jeyso215 - New maintainer
• randshell - Vulnerability disclosure