extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Cookie Manager

Firefox extension·by Rob W
66
/ 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

Cookie Manager's safety score vs every other extension we've scanned
Globally
10%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,277 extensions
In Privacy & Security
7%of privacy & security extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 12,541 privacy & security extensions
Findings
27
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
6479
median 3vs category median

Findings breakdown

Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected
Scanners reported 32 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 6 total
2 high-risk permissions require attention
This extension requests 6 permissions in total. 2 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
Access local files

Can read files on your local filesystem opened in the browser

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Container tabs

Can manage Firefox container tabs and their identities

Medium
Store local data

Can save data locally in the browser for persistence

Info
*://*/*

No additional information available.

Are you the author of Cookie Manager?

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 Cookie Manager'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/64871)](https://catalog.extenshi.io/extensions/64871/security)
HTML
<a href="https://catalog.extenshi.io/extensions/64871/security"><img src="https://catalog.extenshi.io/api/badge/64871" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Sep 7, 2026
Browser extensions made transparent.