SECURITY REPORT · EXTENSHI SCAN

Clockwork

Firefox extension·by its
80
/ 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

Clockwork's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,560 extensions
In Other
17%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,822 other extensions
Findings
34
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
8
median 3Declared in manifest
Active users
1789
median 2vs category median

Findings breakdown

Automated security signal · 34 distinct issues across 6 severities
34
distinct issues
detected

Permissions requested

4 risky permissions of 8 total
4 high-risk permissions require attention
This extension requests 8 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
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

High
Observe web requests

Can monitor all network requests made by the browser

High
Developer tools

Can extend browser developer tools with custom panels

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

Info
http://*/

No additional information available.

Info
https://*/

No additional information available.

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Scan performed by extenshi.io · Oct 21, 2026
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