Secure your site: Remove Polyfill references from iframe settings
polyfill.io malware security alert
The polyfill.io website has been reported to serve malicious code. The polyfill.js script is a popular open source library to support older browsers. If your site uses this script, it is recommended that you remove it immediately.
Clover previously provided sample code in our documentation for those who wanted to support Microsoft Internet Explorer 11 browser with Clover-hosted Ecommerce Iframe. The sample code referenced a Polyfill script.
Our documentation has now been updated to remove the Polyfill example.
Important
Secure your site: Developers using the Clover-hosted iframe integration are advised to check their code and remove any reference to
cdn.polyfill.io. For example:<head>
...
delete this→ <script src= "https://cdn.polyfill.io/v3/polyfill.min.js"> </script> ←
<script src= "https://checkout.sandbox.dev.clover.com/sdk.js"> </script>
</head>
References to advisories and related announcements:
- CVE-2024-38526
- Polyfill supply chain attack hits 100K+ sites
- GitHub Security Advisories:
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Updated about 2 months ago