Is Firefox Multi-Account Containers safe to use?

Firefox Multi-Account Containers has a security risk score of 0/100 (MINIMAL risk). Our security analysis detected 0 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of Firefox Multi-Account Containers?

Based on our automated security analysis, Firefox Multi-Account Containers presents minimal risk level. The extension is analyzed for malware patterns, secret exposure, network communications, permissions, and supply chain vulnerabilities.

How is the security score calculated?

Risky Plugins calculates security scores using weighted categories: severity of findings (25 points max), malware detections (35 points), secret exposure (28 points), network communications (10 points), and obfuscation (10 points). Scores range from 0-100, with higher scores indicating greater risk.

What does CRITICAL, HIGH, MEDIUM, LOW, MINIMAL risk mean?

CRITICAL (80-100): Severe security issues like malware. HIGH (60-79): Significant vulnerabilities. MEDIUM (40-59): Moderate security concerns. LOW (20-39): Minor issues. MINIMAL (0-19): Very low risk. Always review findings before installing any extension.

Is "Firefox Multi-Account Containers" on Firefox Add-ons Safe to Install?

Name: Firefox Multi-Account Containers
Availability: InStock
Rating: 4.5986 (7795 reviews)
Author: Firefox

Firefox · firefox · v8.3.3

About This Extension The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Under the hood, it separates website storage into tab-specific Containers. Cookies downloaded by one Container are not available to other Containers. You can even integrate individual Containers with Mozilla VPN to protect your browsing and location. With the Firefox Multi-Account Containers extension, you can... Sign in to two different accounts on the same site (for example, you could sign in to work email and home email in two different Container tabs. Keep different kinds of browsing far away from each other (for example, you might use one Container tab for managing your Checking Account and a different Container tab for searching for new songs by your favorite band) Avoid leaving social-network footprints all over the web (for example, you could use a Container tab for signing in to a social network, and use a different tab for visiting online news sites, keeping your social identity separate from tracking scripts on news sites) Protect your browsing activity in individual Containers using Mozilla VPN, so you can shop while travelling abroad but check your bank account from a server in your home country. After installing the Firefox Multi-Account Containers extension, click the Containers icon to edit your Containers. Change their colors, names, and icons. Long-click the new tab button to open a new Container tab. For more information on how to use Multi-Account Containers, visit our help articles: All about Multi Account Containers Multi Container user - how to use Mozilla VPN VPN subscriber - how to use Multi Account Containers

Risk Assessment

Pending

out of 100

MINIMAL

0 security findings detected across all analyzers

Firefox extension requesting 17 permissions

No Threats Detected

This extension passed all security checks

About This Extension

<strong>About This Extension</strong> The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Under the hood, it separates website storage into tab-specific Containers. Cookies downloaded by one Container are not available to other Containers. You can even integrate individual Containers with Mozilla VPN to protect your browsing and location. With the Firefox Multi-Account Containers extension, you can... <ul><li>Sign in to two different accounts on the same site (for example, you could sign in to work email and home email in two different Container tabs.</li><li>Keep different kinds of browsing far away from each other (for example, you might use one Container tab for managing your Checking Account and a different Container tab for searching for new songs by your favorite band)</li><li>Avoid leaving social-network footprints all over the web (for example, you could use a Container tab for signing in to a social network, and use a different tab for visiting online news sites, keeping your social identity separate from tracking scripts on news sites)</li><li>Protect your browsing activity in individual Containers using Mozilla VPN, so you can shop while travelling abroad but check your bank account from a server in your home country.</li></ul> After installing the Firefox Multi-Account Containers extension, click the Containers icon to edit your Containers. Change their colors, names, and icons. Long-click the new tab button to open a new Container tab. <strong>For more information on how to use Multi-Account Containers, visit our help articles:</strong> <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/d0cd767dac5a88fa1f511985303276e82cf6be9fa92f0b1cc7d31d53c99a16be/https%3A//support.mozilla.org/en-US/kb/containers/" rel="nofollow">All about Multi Account Containers</a> <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/6b454da72274d31d0abfa1d2fbdda8fb151d78df071a5d3b8908874da5ce9b9d/https%3A//support.mozilla.org/en-US/kb/protect-your-container-tabs-mozilla-vpn/" rel="nofollow">Multi Container user - how to use Mozilla VPN</a> <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/da1147c4692c2ac8a7f75dbab06c6ea351b04f59d13154dbd77d50145eeb3241/https%3A//support.mozilla.org/en-US/kb/use-multi-account-containers-mozilla-vpn/" rel="nofollow">VPN subscriber - how to use Multi Account Containers</a>

No Findings

All security checks passed

Security Analysis Summary

Security Analysis Overview

Firefox Multi-Account Containers is a Firefox Add-ons extension published by Firefox. Version 8.3.3 has been analyzed by the Risky Plugins security platform, receiving a risk score of 0/100 (MINIMAL risk) based on 0 security findings.

Risk Assessment

This extension presents minimal security concerns. The automated analysis found very few or no issues, suggesting it is suitable for general use.

What Was Analyzed

The security assessment covers multiple analysis categories:

Malware Detection: YARA rule matching against 2,400+ malware signatures
Secret Detection: Scanning for exposed API keys, tokens, and credentials
Static Analysis: Code-level security analysis for common vulnerability patterns
Network Analysis: Detection of suspicious network communications and endpoints
Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

Firefox Multi-Account Containers is published by Firefox on the Firefox Add-ons marketplace. The extension has approximately 378K users.

Recommendation

Based on the automated security analysis, this extension appears safe for general use. As with any extension, users should review the requested permissions before installation.

Source Code Viewer

Source Code Not Available

Source code is not available for this version of the extension.