SECURITY REPORT · EXTENSHI SCAN
Webmail Ad Blocker
Firefox extension·by Jason Savard
84
/ 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
Webmail Ad Blocker's safety score vs every other extension we've scanned
Globally
84.35%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
74.35%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
58
median 38Lower is safer
Risky permissions
0
median 1Critical + high perms
Total permissions
10
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 58 distinct issues across 6 severities
58
distinct issues
detected
detected
Scanners reported 61 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium5493%
Low47%
Info00%
Permissions requested
10 permissions declared
No risky permissions
10 permissions requested — none are flagged as risky.
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Low
Schedule tasks
Can schedule periodic background tasks
Info
https://mail.google.com/*
No additional information available.
Info
https://outlook.live.com/*
No additional information available.
Info
https://*.mail.yahoo.com/*
No additional information available.
Info
https://mail.google.com/*
No additional information available.
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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