ActivityPub Viewer

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.

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{ "@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" } ], "id": "https://chaos.social/users/saelo/statuses/110435637795358235", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-05-26T15:15:02Z", "url": "https://chaos.social/@saelo/110435637795358235", "attributedTo": "https://chaos.social/users/saelo", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://chaos.social/users/saelo/followers", "https://infosec.exchange/users/cffsmith" ], "sensitive": false, "atomUri": "https://chaos.social/users/saelo/statuses/110435637795358235", "inReplyToAtomUri": null, "conversation": "tag:chaos.social,2023-05-26:objectId=110982424:objectType=Conversation", "content": "<p>Here are the slides from <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@cffsmith\" class=\"u-url mention\">@<span>cffsmith</span></a></span> and myself about some of our recent work in the JavaScript engine fuzzing space, presented at OffensiveCon last week: <a href=\"https://saelo.github.io/presentations/offensivecon_23_advancements_in_javascript_engine_fuzzing.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">saelo.github.io/presentations/</span><span class=\"invisible\">offensivecon_23_advancements_in_javascript_engine_fuzzing.pdf</span></a></p><p>During the talk we mentioned that we developed a PoC exploit for one of the fuzzed bugs, which can now be found here: <a href=\"https://bugs.chromium.org/p/chromium/issues/detail?id=1377775#c26\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugs.chromium.org/p/chromium/i</span><span class=\"invisible\">ssues/detail?id=1377775#c26</span></a></p><p>Finally, the RCA for the ITW bug shown on the slides is here: <a href=\"https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2022/CVE-2022-3723.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">googleprojectzero.github.io/0d</span><span class=\"invisible\">ays-in-the-wild//0day-RCAs/2022/CVE-2022-3723.html</span></a> </p><p>Happy fuzzing!</p>", "contentMap": { "en": "<p>Here are the slides from <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@cffsmith\" class=\"u-url mention\">@<span>cffsmith</span></a></span> and myself about some of our recent work in the JavaScript engine fuzzing space, presented at OffensiveCon last week: <a href=\"https://saelo.github.io/presentations/offensivecon_23_advancements_in_javascript_engine_fuzzing.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">saelo.github.io/presentations/</span><span class=\"invisible\">offensivecon_23_advancements_in_javascript_engine_fuzzing.pdf</span></a></p><p>During the talk we mentioned that we developed a PoC exploit for one of the fuzzed bugs, which can now be found here: <a href=\"https://bugs.chromium.org/p/chromium/issues/detail?id=1377775#c26\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugs.chromium.org/p/chromium/i</span><span class=\"invisible\">ssues/detail?id=1377775#c26</span></a></p><p>Finally, the RCA for the ITW bug shown on the slides is here: <a href=\"https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2022/CVE-2022-3723.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">googleprojectzero.github.io/0d</span><span class=\"invisible\">ays-in-the-wild//0day-RCAs/2022/CVE-2022-3723.html</span></a> </p><p>Happy fuzzing!</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://infosec.exchange/users/cffsmith", "name": "@cffsmith@infosec.exchange" } ], "replies": { "id": "https://chaos.social/users/saelo/statuses/110435637795358235/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://chaos.social/users/saelo/statuses/110435637795358235/replies?only_other_accounts=true&page=true", "partOf": "https://chaos.social/users/saelo/statuses/110435637795358235/replies", "items": [] } }, "likes": { "id": "https://chaos.social/users/saelo/statuses/110435637795358235/likes", "type": "Collection", "totalItems": 20 }, "shares": { "id": "https://chaos.social/users/saelo/statuses/110435637795358235/shares", "type": "Collection", "totalItems": 19 } }