SECURITY REPORT · EXTENSHI SCAN
AdSidebar
Firefox extension·by Paul Shaw
0
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
AdSidebar's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,723 extensions
In Appearance
1%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 31,936 appearance extensions
Findings
112
median 3Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
12
median 2Declared in manifest
Active users
2
median 3vs category median
Findings breakdown
Automated security signal · 112 findings across 5 severities
112
findings
detected
detected
Critical22%
High1513%
Medium7365%
Low1816%
Info44%
Permissions requested
7 risky permissions of 12 total
1 critical permission require attention
This extension requests 12 permissions in total. 7 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
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
Block and modify web requests
Can intercept, block, or modify any network request before it completes
High
Developer tools
Can extend browser developer tools with custom panels
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
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
Show notifications
Can display desktop notifications outside the browser
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Scan performed by extenshi.io · Jun 25, 2026
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