SECURITY REPORT · EXTENSHI SCAN
SuperTables
Firefox extension·by SuperScreener
82
/ 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
SuperTables's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,240 extensions
In Other
18%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,674 other extensions
Findings
205
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
2
median 2vs category median
Findings breakdown
Automated security signal · 205 distinct issues across 6 severities
205
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium204100%
Low10%
Info00%
Permissions requested
2 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 2 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
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
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Scan performed by extenshi.io · Aug 24, 2026
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