SECURITY REPORT · EXTENSHI SCAN
ZeroWebTools Companion
Firefox extension·by Zeeshan Ahmad
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
ZeroWebTools Companion's safety score vs every other extension we've scanned
Globally
18%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
12%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
36
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 36 distinct issues across 6 severities
36
distinct issues
detected
detected
Critical13%
High26%
Needs Review00%
Medium2364%
Low925%
Info13%
Permissions requested
1 risky permission of 6 total
1 critical permission require attention
This extension requests 6 permissions in total. 1 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
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
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Scan performed by extenshi.io · Aug 25, 2026
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