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SECURITY REPORT · EXTENSHI SCAN

Don't "Accept" image/webp

Firefox extension·by jscher2000
81
/ 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

Don't "Accept" image/webp's safety score vs every other extension we've scanned
Globally
31%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,874 extensions
In Photos Music Videos
21%of photos music videos extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 11,273 photos music videos extensions
Findings
11
median 7Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
20521
median 6vs category median

Findings breakdown

Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected

Permissions requested

4 risky permissions of 6 total
2 critical permissions require attention
This extension requests 6 permissions in total. 4 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
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

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

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Scan performed by extenshi.io · Oct 23, 2026
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