CSP Tester

CSP Tester

This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.

CSP Tester promo image
What is CSP Tester?

CSP Tester is a Firefox add-on that helps web masters test web application behavior with Content Security Policy version 2.0 implemented. It allows for easy testing of the application's adherence to the security policy and identification of potential vulnerabilities.

Stats date:
By: oxdef
Users: 99 ▲ 5
Version: 2.1 (Last updated: 2018-09-02)
Creation date: 2017-06-08
Weekly download count: 12
Firefox on Android: No
Manifest version: 2
  • webRequest
  • webRequestBlocking
  • <all_urls>
Size: 18.96K
Email: Click to see
URLs: Website
Risk impact: High risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge
Risk impact

CSP Tester is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install CSP Tester if you trust the publisher.

Risk likelihood

CSP Tester has earned a fairly good reputation and likely can be trusted.

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