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SECURITY REPORT · EXTENSHI SCAN

Client Challenge

Firefox extension·by Karpov lnc
58
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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

Client Challenge's safety score vs every other extension we've scanned
Globally
57.65%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
47.65%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
481
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
16
median 4All declared perms
Critical findings
2
median 2Severity = Critical

Findings breakdown

Automated security signal · 481 distinct issues across 6 severities
481
distinct issues
detected
Scanners reported 491 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

2 risky permissions of 16 total
2 high-risk permissions require attention
This extension requests 16 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Write to clipboard

Can place content onto your clipboard

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

Low
Schedule tasks

Can schedule periodic background tasks

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Create offscreen documents

Can create hidden documents for background processing tasks

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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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