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.

CSS Exfil Protection - Secure Firefox Add-on
CSS Exfil Protection is a powerful Firefox add-on designed to provide enhanced security for your browsing experience. It specifically focuses on protecting against CSS Exfil attacks - a technique used by attackers to steal data from web pages using Cascading Style Sheets. The add-on works by identifying and neutralizing any CSS rules that could potentially be exploited for data theft, thereby safeguarding your sensitive information.
Add-on stats
Ranking
User reviews
Pros
- Additional browser protection
- Easy to use
Cons
- Conflicts with other extensions
- Disrupts CSS
- Limited test site
Most mentioned
- Conflicts with uBlock Origin
- Limited test site
- Disrupts CSS
User reviews
by igorlogius, 2024-08-02
by igorlogius, 2024-08-02
by igorlogius, 2024-08-02
Add-on safety
Risk impact
CSS Exfil Protection requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of CSS Exfil Protection. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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