SECURITY REPORT · EXTENSHI SCAN

default_playback_speed mk

Firefox extension·by cupmk

/ 100 SAFETY SCORE

EXCELLENT

Looks clean. No meaningful risks detected in this scan.

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

default_playback_speed mk's safety score vs every other extension we've scanned

Globally

94.97%of extensions carry more risk

This extension

Riskier ←→ Safer

Ranked across every extension we scan

In its category

84.97%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 · 4 distinct issues across 6 severities

distinct issues
detected

Scanners reported 5 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Critical00%

High00%

Needs Review00%

Medium250%

Low250%

Info00%

Permissions requested

1 risky permission of 5 total

1 critical permission require attention

This extension requests 5 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

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

Info

://www.youtube.com/

No additional information available.

Info

://m.youtube.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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