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CVE-2026-90896— Missing authentication in Ecommerce Template checkout session endpoint allows unauthenticated disclosure of buyer PII

Quick assessment

Affected
MarcosCamara01 Ecommerce Template
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 MarcosCamara01 电商模板（commit 91e273c 之前）中，位于结账会话查询处理器（src/app/api/stripe/checkout_sessions/route.ts）的关键功能缺少身份验证（CWE-306），该缺陷通过 GET /api/stripe/checkout_sessions 暴露。此漏洞允许持有有效 Stripe 结账会话 ID（cs_...）的远程未认证攻击者检索完整的会话对象，其中包含买方的姓名、邮箱、电话、账单地址、已付金额及内部 userId。原因是该 GET

CVSS 8.2 · High
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I. Basic Information for CVE-2026-90896

Vulnerability Information
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Vulnerability Title
Missing authentication in Ecommerce Template checkout session endpoint allows unauthenticated disclosure of buyer PII
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authentication for Critical Function (CWE-306) in the checkout session lookup handler (src/app/api/stripe/checkout_sessions/route.ts), exposed at GET /api/stripe/checkout_sessions, in MarcosCamara01 Ecommerce Template before commit 91e273c allows a remote, unauthenticated attacker holding a valid Stripe Checkout Session id (cs_...) to retrieve the full session object, including the buyer's name, email, phone, billing address, amount paid and internal userId, because the GET handler calls stripe.checkout.sessions.retrieve() and returns the result without checking for an authenticated session or session ownership. Sibling endpoints such as POST /api/stripe/payment already enforced authentication via auth.api.getSession(); this endpoint had no access control whatsoever. The session_id is exposed in the buyer's own browser URL after payment (success_url = /result?session_id={CHECKOUT_SESSION_ID}), so it leaks through Referer headers, analytics tools, server access logs and shared-machine browser history, resulting in disclosure of the buyer's personal data to an unauthenticated actor.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MarcosCamara01 Ecommerce Template 0 ~ 91e273c -

II. Public POCs for CVE-2026-90896

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III. Intelligence Information for CVE-2026-90896

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Patches & Fixes for CVE-2026-90896 (1)

Security Blog Posts for CVE-2026-90896 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-90896

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