CVE-2026-105123: Unrestricted Upload of File with Dangerous Type in vincent-peugnet wcms
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].
CVE-2026-105123: Unrestricted Upload of File with Dangerous Type in vincent-peugnet wcms
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].
CVSS v4.0
Score 8.7high
Affected software
vincent-peugnet
wcms
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-03T12:05:26.755Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ac19059a43b0b3b89f1654a
Added to database: 10/03/2026, 23:31:37 UTC
Last updated: 10/03/2026, 23:31:37 UTC
Views: 1
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