SECURITY REPORT · EXTENSHI SCAN
Study Mark
Edge extension·by BioCrossCoder
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
Study Mark's safety score vs every other extension we've scanned
Globally
11%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Search Tools
19%of search tools extensions carry more risk
Riskier ←→ Safer
Ranked against 1,164 search tools extensions
Findings
112
median 13Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
11
median 3Declared in manifest
Active users
0
median 70vs category median
Findings breakdown
Automated security signal · 112 distinct issues across 6 severities
112
distinct issues
detected
detected
Scanners reported 122 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High54%
Needs Review00%
Medium5953%
Low4742%
Info00%
Permissions requested
4 risky permissions of 11 total
4 high-risk permissions require attention
This extension requests 11 permissions in total. 4 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
Access browsing history
Can read and modify your complete browsing history
High
Manage downloads
Can initiate downloads and access your download history
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
Access bookmarks
Can read and modify your saved bookmarks
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
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
Low
Use side panel
Can display content in the browser side panel
Low
Run in background
Can run scripts in the background when not actively in use
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Scan performed by extenshi.io · Aug 12, 2026
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