8.0
Ghostery AdBlocker for Privacy
🌐 Chrome ExtensionWebshareUltraBlock
Fast, private, and ad-free browsing you can trust!
2,000,000 usersRating: 4.7/5v10.5.44
Low Risk8.0/10
Scanned June 1, 2026
Risk Flags
Read and modify cookies for any site
Inject scripts into web pages
5 safer alternatives available
6.6
Permissions
6.0
Developer
10.0
Data Privacy
10.0
Policy Match
Permissions (17)
Schedule tasks to run periodically
alarmsacceptable
Common for ad blockers — used by most tools in this category
Add items to right-click menus
contextMenusexpected
Standard for ad blockers — this permission is required for core functionality
Read and modify cookies for any site
cookiesunusual
Not typical for ad blockers — review why this is needed
Unknown permission: declarativeNetRequest
declarativeNetRequestunusual
Uncommon for ad blockers but not necessarily a concern
Unknown permission: declarativeNetRequestFeedback
declarativeNetRequestFeedbackunusual
Uncommon for ad blockers but not necessarily a concern
Track detailed navigation events
webNavigationacceptable
Common for ad blockers — used by most tools in this category
Store data locally in the browser
storageexpected
Standard for ad blockers — this permission is required for core functionality
Inject scripts into web pages
scriptingunusual
Not typical for ad blockers — review why this is needed
Read your open tabs and navigation activity
tabsacceptable
Common for ad blockers — used by most tools in this category
Access the currently active tab when you click the extension
activeTabunusual
Uncommon for ad blockers but not necessarily a concern
Observe and analyze all web traffic
webRequestexpected
Standard for ad blockers — this permission is required for core functionality
Unknown permission: offscreen
offscreenunusual
Uncommon for ad blockers but not necessarily a concern
Access data on *
http://*/*acceptable
Common for ad blockers — used by most tools in this category
Access data on *
https://*/*acceptable
Common for ad blockers — used by most tools in this category
Unknown permission: ws://*/*
ws://*/*unusual
Uncommon for ad blockers but not necessarily a concern
Unknown permission: wss://*/*
wss://*/*unusual
Uncommon for ad blockers but not necessarily a concern
Unknown permission: *://www.youtube.com/*
*://www.youtube.com/*unusual
Uncommon for ad blockers but not necessarily a concern
Developer
NameWebshareUltraBlock
Verified PublisherYes
Known EntityNot recognized
Data Flows
Extension background service
Encryptedcookies, tab data
Privacy Policy Analysis
Policy Status
Policy found
https://www.ghostery.com/privacy/ghostery-plans-and-products-privacy-policy
Actual Data Collection
- cookies
- tab data
Policy matches observed behavior
Alternatives to Consider
Know what your tools are really doing.