extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Is AdSlayer safe?

Checked version: 2.0.0 · Scan date (UTC): 2026-09-13

Firefox extension·by Zac984
69
/ 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

AdSlayer's safety score vs every other extension we've scanned
Globally
6%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 436,185 extensions
In Other
4%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,969 other extensions
Findings
27
median 6Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
13
median 3Declared in manifest
Active users
2
median 2vs category median

Findings breakdown

Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected

Permissions requested

6 risky permissions of 13 total
1 critical permission require attention
This extension requests 13 permissions in total. 6 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
Control proxy settings

Can route your browser traffic through a proxy server

High
Access all HTTP sites

Can read and modify content on all non-encrypted websites

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

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
*://*.twitch.tv/*

No additional information available.

Info
*://*.youtube.com/*

No additional information available.

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Scan performed by extenshi.io · Oct 22, 2026
Browser extensions made transparent.

What this assessment covers

Store listing
Firefox
Checked version
2.0.0
Current listed version
2.0.0
Scan date (UTC)
Assessment status
Completed

Recorded findings: 1 critical and 5 high severity. Read the finding details before interpreting the score; automated flags are not proof of malicious behaviour.

Automated analysis looks for suspicious code, permissions and other risk signals. It does not observe every runtime behaviour or independently audit the publisher’s servers. A low-risk result is not a guarantee of safety. How our checks work.

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