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CVE-2026-31822— Sylius has a XSS vulnerability in checkout login form

EPSS 0.05% · P15
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I. Basic Information for CVE-2026-31822

Vulnerability Information
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Vulnerability Title
Sylius has a XSS vulnerability in checkout login form
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Sylius 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sylius是波兰Sylius公司的一套基于Symfony框架的开源电子商务平台。 Sylius存在跨站脚本漏洞，该漏洞源于商店结账登录表单中失败登录响应的消息字段通过innerHTML渲染，可能导致跨站脚本攻击。以下版本受到影响：2.0.16之前版本、2.1.12之前版本和2.2.3之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
SyliusSylius >= 2.2.0, < 2.2.3 -

II. Public POCs for CVE-2026-31822

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III. Intelligence Information for CVE-2026-31822

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Same Patch Batch · Sylius · 2026-03-10 · 7 CVEs total

CVE-2026-318248.2 HIGHSylius has a Promotion Usage Limit Bypass via Race Condition
CVE-2026-318255.3 MEDIUMSylius has a DQL Injection via API Order Filters
CVE-2026-318234.8 MEDIUMSylius has Authenticated Stored XSS
CVE-2026-31819Sylius has an Open Redirect via Referer Header
CVE-2026-31821Sylius is Missing Authorization in API v2 Add Item Endpoint
CVE-2026-31820Sylius affected by IDOR in Cart and Checkout LiveComponents

IV. Related Vulnerabilities

Same product: Sylius
Same vendor: Sylius
Same weakness: CWE-79

V. Comments for CVE-2026-31822

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