Thank you all for your replies. I studied Social Sharing core component source code for a bit and ended up re-using getThumbnail() method to get page thumbnail reference and that worked out as expected.

Path /content/yourpagepath/jcr:content/image/file/jcr:content/dam:thumbnails/dam:thumbnail_300.png does exist but cannot find fileReference property under any of these nodes.

Yes, seems like it's coming from DAM content_node-->jcr:content-->image-->file-->dam:thumbnails-->dam:thumbnail_300.png. However, I am not able to find fileReference property anywhere under the image node or under any node.

Is it possible to insert thumbnail image URL from page properties of Thumbnail tab into og:image inside meta tag. I am able to get values of pageTitle and description properties but not the image. Or is there a better way to handle this?<meta property="og:url" content="${head.pagePath}" /> <meta pro...