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SECURITY REPORT · EXTENSHI SCAN

Tessra - Custom Starting Page

Firefox extension·by 0xsandro
75
/ 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

Tessra - Custom Starting Page's safety score vs every other extension we've scanned
Globally
14%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,885 extensions
In Appearance
5%of appearance extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 19,044 appearance extensions
Findings
499
median 6Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
23
median 2Declared in manifest
Active users
6
median 3vs category median

Findings breakdown

Automated security signal · 499 distinct issues across 6 severities
499
distinct issues
detected

Permissions requested

3 risky permissions of 23 total
3 high-risk permissions require attention
This extension requests 23 permissions in total. 3 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
Access browsing history

Can read and modify your complete browsing history

High
View most visited sites

Can see your most frequently visited websites

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Access bookmarks

Can read and modify your saved bookmarks

Medium
Access session data

Can query and restore recently closed tabs and windows

Medium
Show notifications

Can display desktop notifications outside the browser

Info
https://api.open-meteo.com/*

No additional information available.

Info
https://geocoding-api.open-meteo.com/*

No additional information available.

Info
https://api.coingecko.com/*

No additional information available.

Info
https://query1.finance.yahoo.com/*

No additional information available.

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Scan performed by extenshi.io · Oct 22, 2026
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