What is GHSA-g4m2-8g7g-xw8c?

GHSA-g4m2-8g7g-xw8c is a security advisory published by GitHub Security Advisories with High severity. YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated...

Which CVE IDs does GHSA-g4m2-8g7g-xw8c cover?

GHSA-g4m2-8g7g-xw8c covers the following CVE IDs: CVE-2026-104471. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g4m2-8g7g-xw8c?

GHSA-g4m2-8g7g-xw8c has a CVSS v3 base score of 7.2, published by GitHub Security Advisories.

GHSA-g4m2-8g7g-xw8cHighCVSS 7.2

YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated...

Vendor

GitHub Security Advisories

Published

October 2, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-104471 →

📋 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.

🔗 References (4)

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3
https://nvd.nist.gov/vuln/detail/CVE-2026-104471
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unrestricted-file-upload-via-bazar-csv-import
https://github.com/advisories/GHSA-g4m2-8g7g-xw8c