All vulnerabilities
CVE-2026-104471GHSA-v3gq-c7c6-mxw3

YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import

YesWiki yeswiki
Open in ThreatlineRecord JSON
CVSS
8.6High
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 2 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.37%Chance of exploitation activity in the next 30 days, higher than 29% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.6.7Fixed versionCVE List
Published2 Oct 2026Updated 2 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 2

  • yeswikiaffected: all versions before 4.6.7CVE List
  • yeswikiunaffected: 4.6.7CVE List

References 2