SECURITY REPORT · EXTENSHI SCAN
TreeTabMarks
Firefox extension·by kieve
0
/ 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
TreeTabMarks's safety score vs every other extension we've scanned
Globally
20%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Tabs
7%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 11,722 tabs extensions
Findings
15
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
detected
Scanners reported 17 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical17%
High320%
Needs Review00%
Medium853%
Low320%
Info00%
Permissions requested
2 risky permissions of 5 total
2 high-risk permissions require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Container tabs
Can manage Firefox container tabs and their identities
Are you the author of TreeTabMarks?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show TreeTabMarks's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 24, 2026
Browser extensions made transparent.