Allow CORS: Access-Control-Allow-Origin
Firefox Addon: Allow CORS: Access-Control-Allow-Origin
Add-on stats
- storage
- webRequest
- declarativeNetRequest
- <all_urls>
Ranking
Other platforms
Add-on summary
Allow CORS: Access-Control-Allow-Origin lets you easily perform cross-domain Ajax requests in web applications.
Simply activate the add-on and perform the request. CORS or Cross Origin Resource Sharing is blocked in modern browsers by default (in JavaScript APIs). Installing this add-on will allow you to unblock this feature. Please note that, when the add-on is added to your browser, it is in-active by default (toolbar icon is grey C letter). If you want to activate the add-on, please press on the toolbar icon once. The icon will turn to orange C letter.
If you have a feature request, or found a bug to report, please fill the bug report form in the add-on's homepage.
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated.- Works as intended for bypassing CORS issues
- Helps with website logins that break without it
- Relatively easy to use after adjustments
- Extremely high CPU usage causing performance issues
- Memory leaks reported
- Whitelisting functionality is inconsistent and confusing
- High CPU usage
- Effective in enabling CORS
- Whitelisting acts as a blacklist
User reviews
Add-on safety
Risk impact
Allow CORS: Access-Control-Allow-Origin requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
Allow CORS: Access-Control-Allow-Origin is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.