extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Tandem Health

Firefox extension·by Tandem Health AB
74
/ 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

Tandem Health's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Other
7%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,735 other extensions
Findings
49
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
47
median 2vs category median

Findings breakdown

Automated security signal · 49 distinct issues across 6 severities
49
distinct issues
detected
Scanners reported 56 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages(optional)

Can inject and execute JavaScript code in web pages

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Low
Schedule tasks

Can schedule periodic background tasks

Are you the author of Tandem Health?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show Tandem Health's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/3815)](https://catalog.extenshi.io/extensions/3815/security)
HTML
<a href="https://catalog.extenshi.io/extensions/3815/security"><img src="https://catalog.extenshi.io/api/badge/3815" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Jul 27, 2026
Browser extensions made transparent.