| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|---|---|
| maplibre-gl | < 6.4.1 | 6.4.1 |
DOM.sanitize() in src/util/dom.ts iterated elem.attributes (a live NamedNodeMap) while calling elem.removeAttribute() in the same loop. Removing an attribute shifts subsequent attributes down by one index, causing the iterator to skip the adjacent attribute.
An attacker can provide an HTML payload with consecutive dangerous attributes (such as <details open onload="1" ontoggle="...">). The first attribute is stripped while the second survives and executes upon insertion into innerHTML via the attribution control without requiring user interaction (zero-click XSS).
Applications rendering untrusted/third-party style attribution strings or user-supplied custom attributions are impacted.
The issue has been resolved by creating a static snapshot of attributes using Array.from(elem.attributes) before iteration. Please upgrade to maplibre-gl version 6.4.1 (or latest).
Sanitizing the attribute field of a source before passing it down to maplibre
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