EUVD-2026-87944
GHSA-2hp7-mfr2-4fg8
Severity by source
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/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
Remote, unauthenticated, low-complexity abuse of default checkout flow with no user interaction; impact is integrity of order/payment records (financial fraud), with no confidentiality or availability effect.
Primary rating from Vendor (vulncheck).
CVSS VectorVendor: vulncheck
Lifecycle Timeline
7DescriptionCVE.org
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.
Articles & Coverage 1
AnalysisAI
Insufficient verification of payment-claim state in the Sylius e-commerce platform (versions before 2.1.16 and 2.2.9) lets unauthenticated remote attackers inflate an order after a payment gateway has already captured the original, smaller amount, causing Sylius to mark the enlarged order as fully paid while the gateway only collected the lower figure. The flaw is reachable with CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N (integrity-only, high impact) and requires no login, but does demand a live storefront with a capture/authorize-capable payment gateway, an attacker-funded legitimate small transaction, and control over the timing between gateway capture and cart recalculation. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
No credit card · 7-day full trial
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a Sylius storefront (before 2.1.16 or 2.2.9) configured with a payment gateway that supports capture/authorize, and an active checkout in which the attacker can complete a real payment for a small amount and then modify the cart after the gateway has claimed that payment. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine, exploitable financial-fraud flaw rather than an inflated high-CVSS paper cut. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade to Sylius 2.1.16 or 2.2.9 (or later), which are the versions that contain the gateway-claim checks; the fix commit is 9e9aeaacbc97b1fc01d573e44d6679194527905d and the change landed via PR 19216, documented in advisory GHSA-vv4h-q2x8-74g4 (https://github.com/Sylius/Sylius/security/advisories/GHSA-vv4h-q2x8-74g4) and the v2.2.9 release notes. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all internet-facing Sylius deployments and identify any running versions prior to 2.1.16 or 2.2.9; if affected, enable detailed payment and order logging, require authentication for checkout where feasible, and configure payment gateway webhook or server-side validation to compare captured amounts against order totals. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it
sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI script (aka php-cgi), does not
(1) boardData102.php, (2) boardData103.php, (3) boardDataJP.php, (4) boardDataNA.php, and (5) boardDataWW.php in Netgear
The '/common/download_agent_installer.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible by
ProjectSend versions prior to r1720 are affected by an improper authentication vulnerability. Rated critical severity (C
Roundcube Webmail contains a critical PHP object deserialization vulnerability (CVE-2025-49113, CVSS 9.9) that allows au
Util/PHP/eval-stdin.php in PHPUnit before 4.8.28 and 5.x before 5.6.3 allows remote attackers to execute arbitrary PHP c
Palo Alto Networks PAN-OS management web interface contains an authentication bypass allowing unauthenticated attackers
Nagios XI version xi-5.7.5 is affected by OS command injection. Rated high severity (CVSS 8.8), this vulnerability is re
Nagios XI version xi-5.7.5 is affected by OS command injection. Rated high severity (CVSS 8.8), this vulnerability is re
The get_referers function in /opt/ws/bin/sblistpack in Sophos Web Appliance before 3.7.9.1 and 3.8 before 3.8.1.1 allows
The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1
Share
External POC / Exploit Code
Leaving vuln.today