CVE-2026-118377

Sažetak

mews/pos through 2.0.0 contains an insufficient verification of data authenticity vulnerability that allows unauthenticated attackers to forge payment results by submitting unverified callbacks. GarantiPos, PayForPos and InterPos 3D Pay and 3D Host handlers skip check3DHash(), letting attackers post tampered status, amount or order ID fields to complete orders without paying.

Reference

https://github.com/mewebstudio/pos
https://github.com/mewebstudio/pos/blob/50ed2bfe4f8980b8b0c47996de571943fa58d7ad/src/Gateway/InterPos.php#L134-L149
https://github.com/mewebstudio/pos/blob/50ed2bfe4f8980b8b0c47996de571943fa58d7ad/src/Gateway/PayForPos.php#L135-L150
https://github.com/mewebstudio/pos/commit/7c59d42bc49483c7c54999d757cb67055d9f732a
https://github.com/mewebstudio/pos/issues/306
https://github.com/mewebstudio/pos/pull/305
https://www.vulncheck.com/advisories/mews-pos-through-2.0.0-missing-hash-verification-in-3d-pay-and-3d-host-callbacks

CVSS

Base:	7.5
Impact:	3.6
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	HIGH	NONE

CVSS vektor

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Zadnje važnije ažuriranje

28-10-2026 - 03:17

Objavljeno

28-10-2026 - 03:17