Check XSS

Plugin helps in finding site vulnerabilities such as XSS, SQL injection and CRLF. Check XSS makes it possible for you to text XSS (CRLF and SQL commands) with context menu with just 2 mouse clicks.

Check XSS - Firefox Add-on

Check XSS is a Firefox add-on that provides a context menu with different payloads for testing vulnerabilities like XSS, CRLF, and SQL injection. It allows security engineers to easily copy and test payloads on input forms, improving efficiency and ease of work.

Add-on stats

Manifest V2
By: Gray Sky
Daily users: 446
-13
Rating: 5.00
(3)
Version: 1.1 (Last updated: 2019-10-03)
Version code: 4872741
Creation date: 2019-09-11
Weekly download count: 28
Firefox on Android: No
Permissions:
  • menus
  • activeTab
  • clipboardRead
  • clipboardWrite
Size: 12.24K
Full description: See detailed description

User reviews

Good
by sevendust, 2024-05-14
View all user reviews

Add-on safety

Risk impact

Check XSS requires very minimum permissions.

Risk impact analysis details
  • High Allows reading and modifying clipboard content, which can be sensitive, posing a moderate privacy risk.
  • Low ******* ****** ** *** ********* ********
Risk likelihood

Check XSS has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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