Advisories

YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import

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severity
high
date
Affecting
  • yeswiki >= 0, < 4.6.7

CWE
  • CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS
8.6
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated admins to write remote files into the web-accessible files/ directory via Bazar CSV import preview. Attackers can import a CSV whose file or image field references a remote .php URL, which is saved without extension checks and executed as server-side code.

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