High severity7.5NVD Advisory· Published Oct 28, 2026
CVE-2026-118377
CVE-2026-118377
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/mewebstudio/pos/blob/50ed2bfe4f8980b8b0c47996de571943fa58d7ad/src/Gateway/InterPos.phpnvd
- github.com/mewebstudio/pos/blob/50ed2bfe4f8980b8b0c47996de571943fa58d7ad/src/Gateway/PayForPos.phpnvd
- github.com/mewebstudio/pos/commit/7c59d42bc49483c7c54999d757cb67055d9f732anvd
- github.com/mewebstudio/pos/issues/306nvd
- github.com/mewebstudio/pos/pull/305nvd
- www.vulncheck.com/advisories/mews-pos-through-2.0.0-missing-hash-verification-in-3d-pay-and-3d-host-callbacksnvd
News mentions
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