SECURITY REPORT · EXTENSHI SCAN
MD/CSV/TSV Viewer
Firefox extension·by Thân Oguyn
76
/ 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
MD/CSV/TSV Viewer's safety score vs every other extension we've scanned
Globally
27%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Web Development
15%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 15,317 web development extensions
Findings
61
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 61 distinct issues across 6 severities
61
distinct issues
detected
detected
Scanners reported 65 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical23%
High23%
Needs Review00%
Medium5489%
Low35%
Info00%
Permissions requested
4 risky permissions of 7 total
2 critical permissions require attention
This extension requests 7 permissions in total. 4 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
Critical
Browser debugger access
Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 17, 2026
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