SECURITY REPORT · EXTENSHI SCAN
Lightning
Firefox extension·by popov654
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Lightning's safety score vs every other extension we've scanned
Globally
38%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,331 extensions
In Web Development
31%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 10,177 web development extensions
Findings
7
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
43
median 3vs category median
Findings breakdown
Automated security signal · 7 findings across 5 severities
7
findings
detected
detected
Critical00%
High686%
Medium114%
Low00%
Info00%
Permissions requested
2 risky permissions of 3 total
1 critical permission require attention
This extension requests 3 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
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Are you the author of Lightning?
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Scan performed by extenshi.io · Jun 25, 2026
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