NoScript Security Suite

The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.

NoScript Security Suite

NoScript is a powerful Firefox add-on that provides top-notch security by allowing only trusted web content to run. It mitigates risks from XSS attacks, DNS rebinding, and Clickjacking through innovative technologies like ClearClick.

With NoScript, combat vulnerabilities such as Spectre and Meltdown while enjoying seamless browsing on trusted sites. Winner of PC World's World Class Award, NoScript is also bundled with the Tor Browser, making it a must-have for privacy-conscious users. This add-on is designed to protect your trust boundaries effectively, giving you control over what runs in your browser.

For detailed guidance on using NoScript, refer to the NoScript FAQ or the user-contributed primer. Explore the features that make your Firefox browser a safer online environment!

Manifest V2
Daily users: 289,491
-2,592
Version: 12.1.1 (Last updated: 2025-03-20)
Version code: 5866818
Creation date: 2005-05-13
Weekly download count: 7,293
Firefox on Android: Yes
Permissions:
  • contextMenus
  • storage
  • tabs
  • unlimitedStorage
  • scripting
  • webNavigation
  • webRequest
  • webRequestBlocking
  • webRequestFilterResponse
  • webRequestFilterResponse.serviceWorkerScript
  • See more
Size: 980.63K
Full description: See detailed description
Updated: a day ago

Other platforms

NoScript (v12.1.1)
100,000 4.20 (267)
NoScript (v11.4.6)
24,893 4.90 (21)

User reviews

Pros
  • Essential for security by blocking unwanted scripts
  • Helps improve browsing speed by excluding unnecessary domains
  • Highly recommended by long-term users
  • Effective in allowing safe use of monetized sites with VPN and ad blockers
Cons
  • Causes crashes on specific websites
  • Can block essential functions on sites like Twitch, requiring manual adjustments
  • Requires careful management of allowed domains, which can be cumbersome
Most mentioned
  • Update to Firefox 136 if add-ons are disabled
  • Compatibility issues with specific other add-ons (like Twitch)
  • Essential for avoiding malware and improving browser performance
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews
by FireZilla, 2025-03-22

by Brutto WP, 2025-03-20

by Ying Go, 2025-03-20
View all user reviews

Add-on safety

Risk impact

NoScript Security Suite requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

NoScript Security Suite has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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