SECURITY REPORT · EXTENSHI SCAN

Tab Closer

Firefox extension·by Devin Lehmacher

/ 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

Tab Closer's safety score vs every other extension we've scanned

Globally

85%of extensions carry more risk

This extension

Riskier ←→ Safer

Ranked against 409,539 extensions

In Tabs

70%of tabs extensions carry more risk

This extension

Riskier ←→ Safer

Ranked against 12,598 tabs extensions

Findings

median 4Lower is safer

Critical findings

median 0Severity = Critical

Permissions

median 3Declared in manifest

Active users

median 2vs category median

Findings breakdown

Automated security signal · 2 distinct issues across 6 severities

distinct issues
detected

Critical00%

High00%

Needs Review00%

Medium150%

Low150%

Info00%

Permissions requested

7 permissions declared

No risky permissions

7 permissions requested — none are flagged as risky.

Info