SECURITY REPORT · EXTENSHI SCAN

simple-modify-headers-lk – Get this Extension for 🦊 Firefox (en-US)

Firefox extension·by lkoning

/ 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

simple-modify-headers-lk – Get this Extension for 🦊 Firefox (en-US)'s safety score vs every other extension we've scanned

Globally

82.52%of extensions carry more risk

This extension

Riskier ←→ Safer

Ranked across every extension we scan

In its category

72.52%of its category extensions carry more risk

This extension

Riskier ←→ Safer

Ranked within its category

Findings

median 38Lower is safer

Risky permissions

median 1Critical + high perms

Total permissions

median 4All declared perms

Critical findings

median 2Severity = Critical

Findings breakdown

Automated security signal · 6 findings across 5 severities

findings
detected

Critical117%

High350%

Medium233%

Low00%

Info00%

Permissions requested

4 risky permissions of 5 total

1 critical permission require attention

This extension requests 5 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

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

View open tabs

Can see URLs and titles of all open tabs

Medium

Store local data

Can save data locally in the browser for persistence

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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)

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