Items with URL field that contain a quote mark " produce HTML bibliography output that is invalid with styles that output links, e.g. in Vancouver with an URL field https://example.com/" you get:

<div class="csl-entry">Example Domain. [cited 2024 Mar 28]. Available from: <a href="https://example.com/"">https://example.com/"</a></div>

Note <a href="https://example.com/""> with double quotes at the end of the href attribute.

When generating the HTML output the quote mark should be escaped with %22.

See zotero/zotero#3890 zotero/zotero-google-docs-integration#51