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Advisories

YesWiki before 4.7.0 SSRF via copyUrlToLocalFile in Bazar CSV Import

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Severity
high
Date
Affecting

  • yeswiki >= 0, < 4.7.0

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
8.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Credit
manus-pi, manus-use
Description
YesWiki before 4.7.0 contains a server-side request forgery vulnerability in the Bazar CSV import copyUrlToLocalFile() function that allows authenticated administrators to make arbitrary outbound requests by supplying crafted URLs in CSV file or image fields. Attackers can bypass the extension check with a query-string suffix or redirects to fetch cloud metadata credentials, internal services, or local files via file://, with responses stored in the web-accessible files/ directory.

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