SECURITY REPORT · EXTENSHI SCAN
Tweeks - Customize Any Website
Firefox extension·by NextByte
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Tweeks - Customize Any Website's safety score vs every other extension we've scanned
Globally
53.53%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
43.53%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
41
median 38Lower is safer
Risky permissions
5
median 1Critical + high perms
Total permissions
16
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 41 distinct issues across 6 severities
41
distinct issues
detected
detected
Scanners reported 69 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical12%
High12%
Needs Review00%
Medium2766%
Low1229%
Info00%
Permissions requested
5 risky permissions of 16 total
1 critical permission require attention
This extension requests 16 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
View open tabs
Can see URLs and titles of all open tabs
High
Manage downloads
Can initiate downloads and access your download history
High
User scripts(optional)
Can register and execute user scripts in web pages
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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