CVE-2026-105123
High
Description
W (vincent-peugnet/wcms) through 3.18.0 contains a remote code execution vulnerability that allows authenticated editors to write arbitrary files by abusing the unvalidated path in POST /api/v0/media/upload/[*:path]. Attackers can upload .php files executed by the web server, use encoded ../ sequences to write outside the media directory, and delete arbitrary files via DELETE /api/v0/media/[*:path].
SeverityHigh
CVSS8.8
Exploit probability—
ProductVincent-peugnet Wcms
PublishedOct 4, 2026
First seenOct 4, 2026
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vincent-peugnet wcms | v ≤ 3.18.0 | — |
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