CVE-2026-104471CWE-434unrestricted-file-upload

CVE-2026-104471

High · published October 2, 2026

CVSS v3.1
7.2
EPSS
0%
Percentile
29.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.6 · 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
EPSS
0.00372 · 29.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-10-02T16:17Z
References (3)
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3 · [email protected]https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unrestricted-file-upload-via-bazar-csv-import · [email protected]https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 02 OCT 11:38Z
    YesWiki before 4.6.7 Unrestricted File Upload via Bazar CSV Import
    cvelistv5