SECURITY REPORT · EXTENSHI SCAN
Sidebar and New tab - Calendar ChatGPT, GPT-4o
Edge extension·by Rendom
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
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
Sidebar and New tab - Calendar ChatGPT, GPT-4o's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
1%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 6,496 productivity extensions
Findings
220
median 17Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
20
median 3Declared in manifest
Active users
4245
median 140vs category median
Findings breakdown
Automated security signal · 220 distinct issues across 6 severities
220
distinct issues
detected
detected
Scanners reported 250 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical21%
High2411%
Needs Review00%
Medium6429%
Low11552%
Info157%
Permissions requested
6 risky permissions of 20 total
6 high-risk permissions require attention
This extension requests 20 permissions in total. 6 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
Access browsing history
Can read and modify your complete browsing history
High
View most visited sites
Can see your most frequently visited websites
High
Manage downloads
Can initiate downloads and access your download history
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Access location
Can determine your physical location
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Access bookmarks
Can read and modify your saved bookmarks
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Scan performed by extenshi.io · Aug 14, 2026
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