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Meta pauses Muse sharing after DNS query reveals over 6,800 page hostnames
Claroc discovered more than 6,800 hostnames for Muse conversation-sharing pages through a passive DNS query. Checks of hundreds of pages found some containing financial information, internal business documents and confidential meeting preparations, accessible without logging in. Meta suspended sharing, and all 40 previously accessible pages the researchers later rechecked were unavailable.
What to know
- 01
Share-page subdomains included conversation titles, and passive DNS services could record those hostnames when users or recipients visited.
- 02
Claroc found no evidence of malicious exploitation and cautioned that its limited investigation could not establish the exposure across all Muse shared content.
Why it matters
The privacy issue concerns not only page access but also the domain names and conversation titles still retained in historical DNS records.
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