CVE-2026-104471
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| YesWiki | yeswiki | 0 < 4.6.7 | affected |
| YesWiki | yeswiki | 4.6.7 | unaffected |
Weaknesses
- CWE-434: Unrestricted Upload of File with Dangerous Type
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: total
Additional References
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v3gq-c7c6-mxw3
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unrestricted-file-upload-via-bazar-csv-import
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