<p></p>
<p>Right at the top of that page it gives you a link to the canonical english version (<a href="https://www.openstreetmap.org/copyright/en" rel="nofollow">https://www.openstreetmap.org/copyright/en</a>) if that's not the version you're looking at. That version says:</p>
<pre><code>The map tiles in the “standard style” at www.openstreetmap.org are a Produced Work by the OpenStreetMap Foundation using OpenStreetMap data under the Open Database License. If you are using these tiles please use the following attribution: “Base map and data from OpenStreetMap and OpenStreetMap Foundation”. 
</code></pre>
<p>Which does not mention CC anywhere.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/openstreetmap/openstreetmap-website/pull/2905#issuecomment-719518213">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AAK2OLIQTWQET3R5BY6XJE3SNKU2PANCNFSM4S6S2GDA">unsubscribe</a>.<img src="https://github.com/notifications/beacon/AAK2OLJNNMFDIE7ZJWOYAOLSNKU2PA5CNFSM4S6S2GDKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOFLRPUBI.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/openstreetmap/openstreetmap-website/pull/2905#issuecomment-719518213",
"url": "https://github.com/openstreetmap/openstreetmap-website/pull/2905#issuecomment-719518213",
"name": "View Pull Request"
},
"description": "View this Pull Request on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>