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CVE-2026-3174— Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update

Quick assessment

Affected
stellarwp Event Tickets and Registration
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.

WordPress Event Tickets and Registration是WordPress基金会开源的一款活动票务与注册管理组件。 WordPress Event Tickets and Registration 5.27.4及之前版本存在授权问题漏洞，该漏洞源于Stripe OAuth返回端点缺少能力检查，可能导致未经身份验证的攻击者覆盖站点的Stripe商户凭据（访问令牌、公钥和账户ID），将所有后续支付处理转移到攻击者的Stripe账户。

CVSS 7.5 · High EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
stellarwp Event Tickets and Registration ≤ 5.27.4 affected
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I. Basic Information for CVE-2026-3174

Vulnerability Information
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Vulnerability Title
Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update
Source: CVE Program / CVE List V5
Vulnerability Description
The Event Tickets and Registration plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the Stripe OAuth return endpoint in all versions up to, and including, 5.27.4. This makes it possible for unauthenticated attackers to overwrite the site's Stripe merchant credentials (access tokens, publishable keys, and account ID), diverting all subsequent payment processing to the attacker's Stripe account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Event Tickets and Registration 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Event Tickets and Registration是WordPress基金会开源的一款活动票务与注册管理组件。 WordPress Event Tickets and Registration 5.27.4及之前版本存在授权问题漏洞，该漏洞源于Stripe OAuth返回端点缺少能力检查，可能导致未经身份验证的攻击者覆盖站点的Stripe商户凭据（访问令牌、公钥和账户ID），将所有后续支付处理转移到攻击者的Stripe账户。
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

Vendor Product Affected Versions CPE Subscribe
stellarwp Event Tickets and Registration 0 ~ 5.27.4 -

II. Public POCs for CVE-2026-3174

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III. Intelligence Information for CVE-2026-3174

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Patches & Fixes for CVE-2026-3174 (1)

Security Blog Posts for CVE-2026-3174 (1)

Vendor Pages for CVE-2026-3174 (1)

Other References for CVE-2026-3174 (1)

IV. Related Vulnerabilities

Same product: Event Tickets and Registration
Same vendor: stellarwp
Same weakness: CWE-862

V. Comments for CVE-2026-3174

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