SECURITY REPORT · EXTENSHI SCAN
One App
Firefox extension·by Sun Liang
49
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
Likely abandonedsafety score reduced by 30 points
- No update in over 7 years
Why this matters
An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.
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
One App's safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,277 extensions
In Tabs
16%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,598 tabs extensions
Findings
8
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
1
median 2vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Scanners reported 11 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical113%
High113%
Needs Review00%
Medium450%
Low225%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://*.reader.one/
No additional information available.
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Scan performed by extenshi.io · Aug 21, 2026
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