SECURITY REPORT · EXTENSHI SCAN
Comments to Readwise
Firefox extension·by Marcus
80
/ 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
Comments to Readwise's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,509 extensions
In Bookmarks
24%of bookmarks extensions carry more risk
Riskier ←→ Safer
Ranked against 6,510 bookmarks extensions
Findings
17
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
2
median 2vs category median
Findings breakdown
Automated security signal · 17 distinct issues across 6 severities
17
distinct issues
detected
detected
Scanners reported 18 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium1165%
Low635%
Info00%
Permissions requested
7 permissions declared
No risky permissions
7 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://hn.algolia.com/
No additional information available.
Info
https://readwise.io/
No additional information available.
Info
*://github.com/*/*/issues/*
No additional information available.
Info
*://github.com/*/*/pull/*
No additional information available.
Info
*://news.ycombinator.com/item?id=*
No additional information available.
Info
*://old.reddit.com/r/*/comments/*
No additional information available.
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Scan performed by extenshi.io · Aug 1, 2026
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