SECURITY REPORT · EXTENSHI SCAN
CharacterFlow Ultra
Firefox extension·by tree
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
CharacterFlow Ultra's safety score vs every other extension we've scanned
Globally
36%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Other
13%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 26,888 other extensions
Findings
9
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
6
median 2vs category median
Findings breakdown
Automated security signal · 9 distinct issues across 6 severities
9
distinct issues
detected
detected
Critical111%
High222%
Needs Review00%
Medium444%
Low222%
Info00%
Permissions requested
3 risky permissions of 6 total
3 high-risk permissions require attention
This extension requests 6 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
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
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Info
https://labs.google/*
No additional information available.
Are you the author of CharacterFlow Ultra?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show CharacterFlow Ultra's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 1, 2026
Browser extensions made transparent.