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SECURITY REPORT · EXTENSHI SCAN

SubsNet SyncCookie

Firefox extension·by SubsNet
53
/ 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

SubsNet SyncCookie's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,277 extensions
In Web Development
1%of web development extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 15,317 web development extensions
Findings
69
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
6
median 2vs category median

Findings breakdown

Automated security signal · 69 distinct issues across 6 severities
69
distinct issues
detected
Scanners reported 80 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 4 total
1 critical permission require attention
This extension requests 4 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
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Aug 24, 2026
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