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Advisories

Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

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severity
high
date
Affecting

  • Sylius >= 2.0.0, < 2.1.16

  • Sylius >= 2.2.0, < 2.2.9

CWE
  • CWE-345 Insufficient Verification of Data Authenticity
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Description
Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark the inflated order as fully paid while the gateway captured only the original amount.

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