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Advisories

YesWiki 4.6.2 before 4.7.0 Missing Authorization in ActivityPub syncActorPosts

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Severity
high
Date
Affecting

  • yeswiki >= 4.6.2, < 4.7.0

CWE
  • CWE-862 Missing Authorization
CVSS
7.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
manus-use
Description
YesWiki from 4.6.2 before 4.7.0 contains a missing authorization vulnerability in ActivityPubService::syncActorPosts that lets malicious ActivityPub servers manipulate other actors' mirrored entries. Attackers can serve a poisoned outbox with cross-actor Delete, Update, or Create activities during admin-initiated sync to delete, overwrite, forge, or mass-delete entries.

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