SECURITY REPORT · EXTENSHI SCAN
Polkadot JSON-RPC DevTools
Firefox extension·by Streamsphere Labs
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
Polkadot JSON-RPC DevTools's safety score vs every other extension we've scanned
Globally
78.38%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
68.38%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
12
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
3
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 12 findings across 5 severities
12
findings
detected
detected
Critical00%
High542%
Medium650%
Low18%
Info00%
Permissions requested
2 risky permissions of 3 total
2 high-risk permissions require attention
This extension requests 3 permissions in total. 2 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
Developer tools
Can extend browser developer tools with custom panels
Info
*://*/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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