SECURITY REPORT · EXTENSHI SCAN
Thematic History
Chrome extension·by sid.gorey
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
Thematic History's safety score vs every other extension we've scanned
Globally
14%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
15%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
37
median 12Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 1Declared in manifest
Active users
3
median 26vs category median
Findings breakdown
Automated security signal · 37 distinct issues across 6 severities
37
distinct issues
detected
detected
Scanners reported 49 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High411%
Needs Review00%
Medium2670%
Low514%
Info25%
Permissions requested
1 risky permission of 3 total
1 high-risk permission require attention
This extension requests 3 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browsing history
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
Low
Access favicons
Can retrieve website favicon images
Are you the author of Thematic History?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Thematic History's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 26, 2026
Browser extensions made transparent.