CVE-2026-104471 YesWiki - Unrestricted File Upload

YesWiki < 4.6.7 contains an unrestricted file upload vulnerability caused by lack of extension checks in Bazar CSV import preview, letting authenticated admins upload and execute remote PHP files, exploit requires admin authentication.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.37% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution, File System Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-434

Vendor fix

Update to version 4.6.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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