CVE-2026-31822

MEDIUM

6.1

Description

Sylius is an Open Source eCommerce Framework on Symfony. A cross-site scripting (XSS) vulnerability exists in the shop checkout login form handled by the ApiLoginController Stimulus controller. When a login attempt fails, AuthenticationFailureHandler returns a JSON response whose message field is rendered into the DOM using innerHTML, allowing any HTML or JavaScript in that value to be parsed and executed by the browser. The issue is fixed in versions: 2.0.16, 2.1.12, 2.2.3 and above.

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/10/2026

Last Modified3/11/2026

Sourcenvd

Honeypot Sightings0

Affected Products

sylius:sylius

Weaknesses (CWE)

CWE-79

References

https://github.com/Sylius/Sylius/security/advisories/GHSA-vgh8-c6fp-7gcg(security-advisories@github.com)

IOC Correlations

No correlations recorded

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