SECURITY REPORT · EXTENSHI SCAN
Custom Shortcut
Firefox extension·by Crokket
0
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
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
Custom Shortcut's safety score vs every other extension we've scanned
Globally
7%of extensions carry more risk
Riskier ←→ Safer
Ranked against 144,092 extensions
In Web Development
3%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 10,715 web development extensions
Findings
45
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
15
median 3Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 45 distinct issues across 6 severities
45
distinct issues
detected
detected
Scanners reported 56 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical24%
High818%
Needs Review00%
Medium3373%
Low24%
Info00%
Permissions requested
6 risky permissions of 15 total
2 critical permissions require attention
This extension requests 15 permissions in total. 6 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
Critical
Access to all websites
Can read and modify content on every website you visit
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
High
Delete browsing data
Can remove browsing history, cookies, cache, and other browsing data
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Access session data
Can query and restore recently closed tabs and windows
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Read clipboard
Can read text and data currently on your clipboard
Info
*://*/*
No additional information available.
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Scan performed by extenshi.io · Aug 3, 2026
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