Browser Extension Security Assessment Form
Evaluate the security posture, permissions, data handling, authentication, update process, dependencies, and incident readiness of your browser extension.
Extension Name
*
Which browsers does your extension support?
*
Chrome
Firefox
Edge
Safari
Other
Rate the extension’s overall security posture.
*
1
2
3
4
5
Which permissions does the extension request?
*
Access to all site data
Read/write local storage
Access to tabs
Network requests
Other
Data Handling and Storage Practices
*
Rows
Not Implemented
Partially Implemented
Fully Implemented
Encryption at rest
1
2
3
Encryption in transit
4
5
6
Data minimization
7
8
9
User data deletion process
10
11
12
Does the extension use any authentication mechanism?
*
No authentication
OAuth 2.0
Custom authentication
Other
Describe your extension’s update and release process.
*
List any third-party libraries or dependencies used.
*
Incident Response and Readiness
*
Rows
No Plan
Basic Plan
Comprehensive Plan
Incident detection procedures
13
14
15
User notification process
16
17
18
Remediation steps
19
20
21
Post-incident review
22
23
24
Additional Comments (optional)
Submit Assessment
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