SECURITY REPORT · EXTENSHI SCAN
Ad Replacer by Conway
Firefox extension·by conway.iso
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
Ad Replacer by Conway's safety score vs every other extension we've scanned
Globally
13%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,714 extensions
In Social & Communication
7%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 19,925 social & communication extensions
Findings
13
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 5vs category median
Findings breakdown
Automated security signal · 13 findings across 5 severities
13
findings
detected
detected
Critical18%
High215%
Medium1077%
Low00%
Info00%
Permissions requested
1 risky permission of 4 total
1 critical permission require attention
This extension requests 4 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
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
Add context menu items
Can add custom items to the right-click context menu
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Scan performed by extenshi.io · Jun 25, 2026
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