CVE-2026-105123
published 2026-10-04CVE-2026-105123: W (vincent-peugnet/wcms) through 3.18.0 contains a remote code execution vulnerability that allows authenticated editors to write arbitrary files by abusing…
PriorityP265high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.52%
41.9th percentile
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].
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| vincent-peugnet | wcms | <= 3.18.0 | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
vincent-peugnet wcms up to 3.18.0 Media Upload /api/v0/media/upload path unrestricted upload
vuldb·2026-10-04·CVSS 8.8
CVE-2026-105123 [HIGH] vincent-peugnet wcms up to 3.18.0 Media Upload /api/v0/media/upload path unrestricted upload
A vulnerability classified as critical has been found in vincent-peugnet wcms up to 3.18.0. This affects an unknown function of the file /api/v0/media/upload of the component Media Upload. This manipulation of the argument path causes unrestricted upload.
This vulnerability is tracked as CVE-2026-105123. The attack is possible to be carried out remotely. No exploit exists.
GHSA
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/
ghsa_unreviewed·2026-10-04
CVE-2026-105123 [HIGH] CWE-434 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/
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].
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/vincent-peugnet/wcmshttps://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/class/Controllerapimedia.php#L24-L44https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/class/Media.php#L98https://github.com/vincent-peugnet/wcms/issues/662https://www.vulncheck.com/advisories/w-wcms-through-3.18.0-rce-and-arbitrary-file-write-via-media-upload-api
2026-10-04
Published