Browser extensionFirefox

Firefox add-ons, checked before and after every release.

Extuno diffs each Firefox add-on update and flags new WebExtension permissions, content-script injection, and exfiltration - with static, dynamic, and AI analysis on every scan.

Firefox - live inspectionInspecting
Tab Suspender 4.0.2
firefox add-on
4.0.1->4.0.2
Static
Dynamic
AI
Analyzing update
What Extuno catches in Firefox

Evidence, not guesswork.

Each finding names the change, why it is dangerous, and the recommended action.

Diff finding

Content-script injection

A new content script injects markup that loads code from a remote origin.

Critical
Diff finding

New optional permissions

An update requests clipboard and history access not present before.

Review
Diff finding

Form-field harvesting

The add-on reads password fields and posts values off-domain.

Critical
See it on a poisoned update

A trusted add-on turns on its users

The permission diff surfaces new access; the sandbox records the data leaving the browser.

  • + Vulnerability and secret-leak testing on every version
  • + Static analysis reads the code without running it
  • + Dynamic sandbox runs it live and records behavior
  • + AI code analysis reads the full source and correlates the change against prior versions
Firefoxmanifest diffv4.0.1 -> v4.0.2
  • tabs
  • storage
  • + host permission: *://*/*
  • + scripting (remote code)
extensiontelemetry-ff.net

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