SECURITY REPORT · EXTENSHI SCAN
ZBeacon Transmitter
Firefox extension·by ZBeacon Developers
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
Likely abandonedsafety score reduced by 30 points
- No update in over 6 years
Why this matters
An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.
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
ZBeacon Transmitter's safety score vs every other extension we've scanned
Globally
13%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
9%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
39
median 5Lower is safer
Critical findings
4
median 0Severity = Critical
Permissions
17
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 39 distinct issues across 6 severities
39
distinct issues
detected
detected
Critical410%
High923%
Needs Review00%
Medium2154%
Low513%
Info00%
Permissions requested
11 risky permissions of 17 total
2 critical permissions require attention
This extension requests 17 permissions in total. 11 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
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
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
Access browsing history
Can read and modify your complete browsing history
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Write to clipboard
Can place content onto your clipboard
Medium
DNS resolution
Can perform DNS lookups
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Scan performed by extenshi.io · Aug 25, 2026
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