Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sylius | Sylius | >= 2.0.0, < 2.0.16 |
Related Weaknesses (CWE)
References
- https://github.com/Sylius/Sylius/security/advisories/GHSA-vgh8-c6fp-7gcgMitigationVendor Advisory
FAQ
What is CVE-2026-31822?
CVE-2026-31822 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...
How severe is CVE-2026-31822?
CVE-2026-31822 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-31822?
Check the references section above for vendor advisories and patch information. Affected products include: Sylius Sylius.