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EUVD-2026-5870

2026-10-08T13:42:33.761815+00:00

EUVD-2026-5870

fkie_cve-2024-37297

2026-10-08T13:42:33.761856+00:00

WooCommerce is an open-source e-commerce platform built on WordPress. A vulnerability introduced in WooCommerce 8.8 allows for cross-site scripting. A bad actor can manipulate a link to include malicious HTML & JavaScript content. While the content is not saved to the database, the links may be sent to victims for malicious purposes. The injected JavaScript could hijack content & data stored in the browser, including the session. The URL content is read through the `Sourcebuster.js` library and then inserted without proper sanitization to the classic checkout and registration forms. Versions 8.8.5 and 8.9.3 contain a patch for the issue. As a workaround, one may disable the Order Attribution feature.

GHSA-cv23-q6gh-xfrf — WooCommerce has a Cross-Site Scripting (XSS) Vulnerability in checkout & registration forms

2026-10-08T13:42:33.761895+00:00

Affected: Packagist: woocommerce/woocommerce

### Impact A vulnerability introduced in WooCommerce 8.8 allows for cross-site scripting. A bad actor can manipulate a link to include malicious HTML & JavaScript content. While the content is not saved to the database, the links may be sent to victims for malicious purposes. The injected JavaScript could hijack content & data stored in the browser, including the session. The URL content is read through the Sourcebuster.js library and then inserted without proper sanitization to the classic checkout and registration forms.

### Patches ```diff diff --git a/plugins/woocommerce/client/legacy/js/frontend/order-attribution.js b/plugins/woocommerce/client/legacy/js/frontend/order-attribution.js index 79411e928e1..25eaa721c54 100644 --- a/plugins/woocommerce/client/legacy/js/frontend/order-attribution.js +++ b/plugins/woocommerce/client/legacy/js/frontend/order-attribution.js @@ -155,12 +155,16 @@ * but it's not yet supported in Safari. */ connectedCallback() { - let inputs = ''; + this.innerHTML = ''; + const inputs = new DocumentFragment(); for( const fieldName of this._fieldNames ) { - const value = stringifyFalsyInputValue( this.values[ fieldName ] ); - inputs += ``; + const input = document.createElement( 'input' ); + input.type = 'hidden'; + input.name = `${params.prefix}${fieldName}`; + input.value = stringifyFalsyInputValue( ( this.values && this.values[ fieldN…