SECURITY REPORT · EXTENSHI SCAN
Umbra
Chrome extension·by MokhtarELfoly
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
Umbra'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 Productivity
26%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
35
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
0
median 14vs category median
Findings breakdown
Automated security signal · 35 distinct issues across 6 severities
35
distinct issues
detected
detected
Critical13%
High39%
Needs Review00%
Medium2777%
Low411%
Info00%
Permissions requested
1 risky permission of 9 total
1 high-risk permission require attention
This extension requests 9 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
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
Block requests with host access
Can block or redirect network requests and requires host permissions
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Show notifications
Can display desktop notifications outside the browser
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Low
Schedule tasks
Can schedule periodic background tasks
Low
Detect idle state
Can detect when your machine is idle, active, or locked
Are you the author of Umbra?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Umbra's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 23, 2026
Browser extensions made transparent.