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SECURITY REPORT · EXTENSHI SCAN

sssHistCm : Show history in CM

Firefox extension·by SenSyuSya
89
/ 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

sssHistCm : Show history in CM's safety score vs every other extension we've scanned
Globally
67%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 416,632 extensions
In Other
44%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,834 other extensions
Findings
6
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1
median 2vs category median

Findings breakdown

Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected

Permissions requested

2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Access browsing history

Can read and modify your complete browsing history

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Access session data

Can query and restore recently closed tabs and windows

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Scan performed by extenshi.io · Aug 24, 2026
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