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CVE-2026-17166— Event Booking Manager for WooCommerce <= 5.3.7 - Missing Authorization to Authenticated (Contributor+) Site-Wide Payment Settings Modification via mep_save_payment_settings_modal AJAX Action

CVSS 4.3 · Medium EPSS 0.23% · P14

Possible ATT&CK Techniques 1AI

T1098.004 · SSH Authorized Keys

Affected Version Matrix 1

VendorProductVersion RangeStatus
magepeopleteamEvent Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar≤ 5.3.7affected
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I. Basic Information for CVE-2026-17166

Vulnerability Information
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Vulnerability Title
Event Booking Manager for WooCommerce <= 5.3.7 - Missing Authorization to Authenticated (Contributor+) Site-Wide Payment Settings Modification via mep_save_payment_settings_modal AJAX Action
Source: CVE Program / CVE List V5
Vulnerability Description
The Event Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.3.7. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to modify site-wide payment settings — including WooCommerce payment enablement, cart redirect behavior, login requirements for checkout, confirmation page ID, and confirmed ticket statuses — that govern how all event bookings are processed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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 Booking Manager for WooCommerce 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Event Booking Manager for WooCommerce是WordPress基金会的一款电商系统活动预订管理组件。 WordPress Event Booking Manager for WooCommerce 5.3.7及之前版本存在授权问题漏洞，该漏洞源于插件未正确验证用户授权，导致经过身份验证的攻击者（具有贡献者级别及以上访问权限）可以修改站点范围的支付设置。
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
magepeopleteamEvent Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar 0 ~ 5.3.7 -

II. Public POCs for CVE-2026-17166

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III. Intelligence Information for CVE-2026-17166

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Patches & Fixes for CVE-2026-17166 (1)

Vendor Advisories for CVE-2026-17166 (1)

IV. Related Vulnerabilities

Same vendor: magepeopleteam
Same weakness: CWE-862

V. Comments for CVE-2026-17166

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