A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"litepub": "http://litepub.social/ns#",
"directMessage": "litepub:directMessage",
"Hashtag": "as:Hashtag"
}
],
"id": "https://infosec.exchange/users/thezdi/statuses/114586874920443870",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-28T18:29:13Z",
"url": "https://infosec.exchange/@thezdi/114586874920443870",
"attributedTo": "https://infosec.exchange/users/thezdi",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://infosec.exchange/users/thezdi/followers"
],
"sensitive": false,
"atomUri": "https://infosec.exchange/users/thezdi/statuses/114586874920443870",
"inReplyToAtomUri": null,
"conversation": "tag:infosec.exchange,2025-05-28:objectId=275657932:objectType=Conversation",
"content": "<p>Demonstrating CVE-2025-4919: Now that it's patched, we can show you how Manfred Paul used this code execution bug in the renderer of <a href=\"https://infosec.exchange/tags/Mozilla\" class=\"mention hashtag\" rel=\"tag\">#<span>Mozilla</span></a> Firefox to win $50,000. <a href=\"https://youtu.be/TG029NAGKs0\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">youtu.be/TG029NAGKs0</span><span class=\"invisible\"></span></a> <a href=\"https://infosec.exchange/tags/Pwn2Own\" class=\"mention hashtag\" rel=\"tag\">#<span>Pwn2Own</span></a> <a href=\"https://infosec.exchange/tags/P2OBerlin\" class=\"mention hashtag\" rel=\"tag\">#<span>P2OBerlin</span></a></p>",
"contentMap": {
"en": "<p>Demonstrating CVE-2025-4919: Now that it's patched, we can show you how Manfred Paul used this code execution bug in the renderer of <a href=\"https://infosec.exchange/tags/Mozilla\" class=\"mention hashtag\" rel=\"tag\">#<span>Mozilla</span></a> Firefox to win $50,000. <a href=\"https://youtu.be/TG029NAGKs0\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">youtu.be/TG029NAGKs0</span><span class=\"invisible\"></span></a> <a href=\"https://infosec.exchange/tags/Pwn2Own\" class=\"mention hashtag\" rel=\"tag\">#<span>Pwn2Own</span></a> <a href=\"https://infosec.exchange/tags/P2OBerlin\" class=\"mention hashtag\" rel=\"tag\">#<span>P2OBerlin</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://infosec.exchange/tags/mozilla",
"name": "#mozilla"
},
{
"type": "Hashtag",
"href": "https://infosec.exchange/tags/pwn2own",
"name": "#pwn2own"
},
{
"type": "Hashtag",
"href": "https://infosec.exchange/tags/p2oberlin",
"name": "#p2oberlin"
}
],
"replies": {
"id": "https://infosec.exchange/users/thezdi/statuses/114586874920443870/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://infosec.exchange/users/thezdi/statuses/114586874920443870/replies?only_other_accounts=true&page=true",
"partOf": "https://infosec.exchange/users/thezdi/statuses/114586874920443870/replies",
"items": []
}
},
"likes": {
"id": "https://infosec.exchange/users/thezdi/statuses/114586874920443870/likes",
"type": "Collection",
"totalItems": 5
},
"shares": {
"id": "https://infosec.exchange/users/thezdi/statuses/114586874920443870/shares",
"type": "Collection",
"totalItems": 5
}
}