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SECURITY REPORT · EXTENSHI SCAN

SyncNos-WebClipper

Firefox extension·by Chii Magnus
15
/ 100 SAFETY SCORE
CRITICAL
Severe indicators. Treat as unsafe until the developer addresses these findings.

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

SyncNos-WebClipper's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,885 extensions
In Feeds News Blogging
0%of feeds news blogging extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 7,391 feeds news blogging extensions
Findings
94
median 8Lower is safer
Critical findings
5
median 0Severity = Critical
Permissions
19
median 3Declared in manifest
Active users
23
median 2vs category median

Findings breakdown

Automated security signal · 94 distinct issues across 6 severities
94
distinct issues
detected
Scanners reported 98 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

5 risky permissions of 19 total
1 critical permission require attention
This extension requests 19 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps(optional)

Can exchange messages with applications installed on your computer

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
Access all HTTP sites

Can read and modify content on all non-encrypted websites

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Add context menu items

Can add custom items to the right-click context menu

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

Info
https://connector_openai_deep_research.web-sandbox.oaiusercontent.com/*

No additional information available.

Info
https://chat.deepseek.com/*

No additional information available.

Info
https://*.notion.so/*

No additional information available.

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Scan performed by extenshi.io · Oct 23, 2026
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