Lastpass Free Password Ma Chrome extension icon

Lastpass Free Password Ma

🔍 Security Report Available
👥 8M+ users
📦 v4.151.3
💾 18.56MiB
📅 2026-02-12
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Overview

LastPass is the easiest way to manage passwords—wherever you browse.

Tired of forgetting passwords or resetting them constantly? Meet LastPass, the trusted password manager—used by millions of people and thousands of businesses—to keep passwords and other account info safe, secure, and always within reach.

With LastPass, you only need to remember one master password. We’ll handle the rest—autofilling logins, generating secure passwords, and syncing across all your devices. Whether you're browsing on Chrome or logging into your favorite website, LastPass makes it effortless.

WHY MILLIONS TRUST LASTPASS
🔐 Secure Password Vault: Store all your passwords, passphrases, passkeys, usernames, and payment methods in one encrypted place.
⚡ Autofill Made Easy: Instantly fill in login credentials on websites and in apps—no typing required.
🧠 One Master Password: Just remember one password—LastPass remembers the rest.
📝 More Than Passwords: Securely store credit cards, insurance info, social security numbers, and private notes.
🤝 Share Securely: Share passwords safely with family, friends, or coworkers.
🔒 Built-In Password Generator: Create strong, unique passwords and passphrases in a single tap.
🛡️ Multi-Factor Authentication (MFA): Add an extra layer of protection to your password app.

GO PREMIUM FOR MORE POWER
Try LastPass Premium free for 30 days and unlock:
📱 Unlimited device access across all platforms
🌐 Access on Edge, Firefox, and other browser extensions
🔗 Unlimited sharing of passwords and notes
☁️ 1GB of encrypted file storage
🛡️ Advanced MFA options like YubiKey
🚨 Emergency access for trusted contacts
💬 Priority customer support

BUILT FOR SECURITY
Your data is encrypted with bank-grade AES-256 encryption—only you can unlock your vault. Even we can’t access it.

RECOGNIZED. RESPECTED. RECOMMENDED.
There’s a reason LastPass is trusted by millions and featured in top publications like Forbes, PCMag, TechRadar, and ZDNet. We consistently lead the way in ease of use and customer support, earning top ratings on platforms like G2. When it comes to password managers, users and experts agree—LastPass delivers.

DOWNLOAD LASTPASS TODAY
Start using the smarter, safer way to manage your passwords and passkeys.

Terms of Service: https://www.lastpass.com/legal-center/terms-of-service/

Tags

Productivity/workflow password productivity/workflow

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes
✅ Version v4.151.4 was recently scanned.
v4.151.4 Info Scanned Mar 5, 2026

Security Analysis — Lastpass Free Password Ma

Analyzed v4.151.4 · Mar 5, 2026 · 70 JS files · 34590 KB scanned

Permissions

scripting tabs notifications contextMenus storage unlimitedStorage webNavigation webRequest webRequestAuthProvider offscreen alarms privacy clipboardWrite http://*/* https://*/*

Code Patterns Detected

Function constructor used — dynamic code execution Loads external scripts in service worker Alternative to eval (execScript) innerHTML assignment — potential XSS vector String.fromCharCode (obfuscation) charCodeAt (obfuscation) unescape (deprecated obfuscation) Makes XHR requests Uses Fetch API Sends data via Beacon API Creates script elements dynamically Reads browser storage Writes to browser storage Removes from browser storage Writes to clipboard Runs on ALL websites Broad host permissions Potential hardcoded secret Cryptographic operations Creates iframe elements Uses postMessage for cross-origin comms Sets up event listeners

External Connections

www.w3.org link.lastpass.com lastpass.com github.com momentjs.com www.googleapis.com www.lastpass.com accounts.lastpass.com content.googleapis.com udemy.com no-such-site.com schemas.xmlsoap.org +8 more

Package Contents 604 files · 56.9MB

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What This Extension Does

LastPass is a password manager that securely stores and autofills login credentials, generating strong passwords and offering multi-factor authentication. It's designed for individuals and businesses to manage their online identities safely.

Permissions Explained

  • scriptingexpected: This permission allows the extension to run scripts on web pages, which is necessary for LastPass to autofill login credentials.
    Technical: The scripting permission grants access to Chrome's content script injection API, allowing the extension to inject JavaScript code into web pages. This can be used to execute arbitrary code on a webpage, potentially leading to XSS attacks if not properly sanitized.
  • tabsexpected: This permission allows the extension to access and interact with web pages in your browser tabs.
    Technical: The tabs permission grants access to Chrome's tab management API, allowing the extension to create, update, and delete tabs. This can be used to manipulate user interactions or inject malicious content into tabs.
  • notificationsexpected: This permission allows the extension to display notifications in your browser.
    Technical: The notifications permission grants access to Chrome's notification API, allowing the extension to display alerts and prompts to users. This can be used to manipulate user behavior or inject malicious content into notifications.
  • storageexpected: This permission allows the extension to store data locally on your device.
    Technical: The storage permission grants access to Chrome's local storage API, allowing the extension to store and retrieve data from user profiles. This can be used to persist malicious data or inject malware into user devices.
  • unlimitedStoragecheck this: This permission allows the extension to store an unlimited amount of data locally on your device.
    Technical: The unlimited storage permission grants access to Chrome's local storage API with no size limits, allowing the extension to store and retrieve large amounts of data from user profiles. This can be used to persist malicious data or inject malware into user devices. ⚠ 1
  • webNavigationexpected: This permission allows the extension to observe and interact with web page navigation events.
    Technical: The webNavigation permission grants access to Chrome's web navigation API, allowing the extension to observe and manipulate user interactions on web pages. This can be used to inject malicious content into web pages or track user behavior.
  • webRequestcheck this: This permission allows the extension to intercept and modify HTTP requests made by your browser.
    Technical: The webRequest permission grants access to Chrome's web request API, allowing the extension to intercept and modify HTTP requests made by users. This can be used to inject malware into user devices or track user behavior. ⚠ 1
  • webRequestAuthProvidercheck this: This permission allows the extension to authenticate web requests using a custom authentication provider.
    Technical: The webRequestAuthProvider permission grants access to Chrome's web request API with custom authentication capabilities, allowing the extension to inject malicious content into user devices or track user behavior. ⚠ 1
  • offscreencheck this: This permission allows the extension to run in the background even when your browser is closed.
    Technical: The offscreen permission grants access to Chrome's background service worker API, allowing the extension to run in the background and perform tasks without user interaction. This can be used to inject malware into user devices or track user behavior. ⚠ 1
  • alarmscheck this: This permission allows the extension to schedule periodic tasks in the background.
    Technical: The alarms permission grants access to Chrome's background service worker API, allowing the extension to schedule periodic tasks without user interaction. This can be used to inject malware into user devices or track user behavior. ⚠ 1
  • privacycheck this: This permission allows the extension to access and modify user data related to privacy settings.
    Technical: The privacy permission grants access to Chrome's privacy API, allowing the extension to access and modify user data related to privacy settings. This can be used to inject malware into user devices or track user behavior. ⚠ 1
  • clipboardWritecheck this: This permission allows the extension to write data to your clipboard.
    Technical: The clipboardWrite permission grants access to Chrome's clipboard API, allowing the extension to inject malicious content into user devices or track user behavior. ⚠ 1
  • http://*/*check this: This permission allows the extension to access all HTTP requests made by your browser.
    Technical: The http://*/* permission grants access to Chrome's web request API with no protocol restrictions, allowing the extension to intercept and modify HTTP requests made by users. This can be used to inject malware into user devices or track user behavior. ⚠ 1
  • https://*/*check this: This permission allows the extension to access all HTTPS requests made by your browser.
    Technical: The https://*/* permission grants access to Chrome's web request API with no protocol restrictions, allowing the extension to intercept and modify HTTPS requests made by users. This can be used to inject malware into user devices or track user behavior. ⚠ 1

Your Data

LastPass stores data locally on your device, including login credentials, passwords, and other sensitive information. It also sends data to its servers for syncing purposes, using HTTPS encryption.

Technical Details

The extension contacts the following domains: www.w3.org, link.lastpass.com, lastpass.com, github.com, momentjs.com, www.googleapis.com, www.lastpass.com, accounts.lastpass.com, content.googleapis.com, udemy.com, no-such-site.com, schemas.xmlsoap.org. It uses HTTPS encryption for data transmission and stores sensitive information locally on your device using Chrome's local storage API.

Code Findings

Dynamic Code ExecutionHigh

The extension uses the Function constructor to execute dynamic code, which can be used to inject malicious content into user devices.

Technical: The extension uses the Function constructor to create new functions dynamically, allowing it to execute arbitrary code on web pages. This can be used to inject malware or track user behavior.

💡 This pattern is commonly used in legitimate extensions for dynamic scripting and functionality.

Alternative to evalHigh

The extension uses the execScript method as an alternative to eval, which can be used to inject malicious content into user devices.

Technical: The extension uses the execScript method to execute scripts dynamically, allowing it to inject malware or track user behavior. This is similar to using eval, but with some additional security features.

💡 This pattern is commonly used in legitimate extensions for dynamic scripting and functionality.

Potential XSS VectorMedium

The extension uses innerHTML assignment, which can be used to inject malicious content into user devices if not properly sanitized.

Technical: The extension uses innerHTML assignment to set the HTML content of elements dynamically. This can be used to inject malware or track user behavior if not properly sanitized.

💡 This pattern is commonly used in legitimate extensions for dynamic UI updates and functionality.

Cryptographic OperationsInfo

The extension performs cryptographic operations to encrypt and decrypt data, which is necessary for secure password management.

Technical: The extension uses cryptographic libraries to perform encryption and decryption of sensitive information. This is necessary for secure password management and syncing purposes.

💡 This pattern is commonly used in legitimate extensions for secure data storage and transmission.

Bottom Line

LastPass is a legitimate password manager that securely stores and autofills login credentials. However, it has some concerning permissions and code patterns that could potentially be used to inject malware or track user behavior if not properly sanitized. Users should exercise caution when installing and using this extension.

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