CVE-2026-31822

MEDIUM

Sylius <2.0.16, 2.1.12, 2.2.3 - XSS

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.1
EPSS 0.0018
EPSS Percentile 7.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
sylius/sylius 2.0.0 - 2.0.16Packagist
sylius/sylius 2.0.0 - 2.0.16
Published Mar 10, 2026
Tracked Since Mar 11, 2026