SECURITY REPORT · EXTENSHI SCAN
Copy-Stack
Firefox extension·by VertexProximity
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
Copy-Stack's safety score vs every other extension we've scanned
Globally
98.32%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
88.32%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
1
median 38Lower is safer
Risky permissions
0
median 1Critical + high perms
Total permissions
2
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 1 finding across 5 severities
1
findings
detected
detected
Critical00%
High00%
Medium1100%
Low00%
Info00%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Store local data
Can save data locally in the browser for persistence
Are you the author of Copy-Stack?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.