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CVE-2026-15213— Welcart e-Commerce < 2.11.33 - Unauthenticated Payment Bypass via Forged Settlement Callback

Quick assessment

Affected
Unknown Welcart e-Commerce
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 Welcart e-Commerce是WordPress基金会开源的一款为内容管理系统提供在线商店功能的插件。 WordPress Welcart e-Commerce 2.11.33之前版本存在输入验证错误漏洞，该漏洞源于未验证便利店/银行转账结算回调的真实性，未授权请求可仅凭订单号和状态标志将订单从未支付翻转为已结算，且缺乏签名、金额或来源检查，可能导致攻击者将自己的未支付订单标记为已结算并无付款获得履行。

CVSS 5.3 · Medium EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Welcart e-Commerce < 2.11.33 affected
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I. Basic Information for CVE-2026-15213

Vulnerability Information
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Vulnerability Title
Welcart e-Commerce < 2.11.33 - Unauthenticated Payment Bypass via Forged Settlement Callback
Source: CVE Program / CVE List V5
Vulnerability Description
The Welcart e-Commerce WordPress plugin before 2.11.33 does not verify the authenticity of its convenience-store / bank-transfer settlement callback: an unauthenticated request can flip an order from unpaid to settled purely from an order number and a status flag, with no signature, amount, or origin check. Because these are pay-later methods, an attacker can mark their own unpaid order as settled and obtain fulfilment without paying.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Welcart e-Commerce 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Welcart e-Commerce是WordPress基金会开源的一款为内容管理系统提供在线商店功能的插件。 WordPress Welcart e-Commerce 2.11.33之前版本存在输入验证错误漏洞，该漏洞源于未验证便利店/银行转账结算回调的真实性，未授权请求可仅凭订单号和状态标志将订单从未支付翻转为已结算，且缺乏签名、金额或来源检查，可能导致攻击者将自己的未支付订单标记为已结算并无付款获得履行。
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
Unknown Welcart e-Commerce 0 ~ 2.11.33 -

II. Public POCs for CVE-2026-15213

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III. Intelligence Information for CVE-2026-15213

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News Coverage for CVE-2026-15213 (1)

Same Patch Batch · Unknown · 2026-08-12 · 44 CVEs total

CVE-2026-16747 6.5 MEDIUM Kirki < 6.2.1 - Unauthenticated Arbitrary Shortcode Execution via Form Email Actions
CVE-2026-15045 6.5 MEDIUM Wallet System for WooCommerce < 2.7.10 - Customer+ Checkout Price Manipulation via Unvalid
CVE-2026-17008 5.3 MEDIUM Quick PayPal Payments <= 5.7.50 - Unauthenticated Payment Bypass via PayPal IPN
CVE-2026-16990 5.3 MEDIUM Payment Button for PayPal <= 1.2.3.44 - Unauthenticated Payment Price Manipulation
CVE-2026-16621 5.3 MEDIUM Payment Gateway for PayPal on WooCommerce < 9.2.1 - Unauthenticated Payment Bypass via Pay
CVE-2026-18044 3.7 LOW Estatik Real Estate Plugin < 4.3.4 - Unauthenticated Arbitrary-Recipient Mail Relay via Si
CVE-2026-18789 Ezoic < 2.23.1 - Unauthenticated Database Export via Content Export REST Routes
CVE-2026-17013 WP Photo Album Plus < 9.2.07.002 - Reflected XSS via lbstart
CVE-2026-18962 WP Photo Album Plus < 9.2.09.002 - Subscriber+ Cross-Album File Upload via Missing Authori
CVE-2026-19052 ProSolution WP Client < 2.0.9 - Subscriber+ proSol_ajaxTablesync and proSol_ajaxClearlog C
CVE-2026-19073 Order Sync with Zendesk for WooCommerce < 2.2.3 - Unauthenticated Customer Order Data Disc
CVE-2026-19217 Royal Elementor Addons < 1.7.1065 - Contributor+ Stored XSS via Icon Box Widget
CVE-2026-19050 ProSolution WP Client < 2.0.9 - Subscriber+ SSRF via proSol_url_validate
CVE-2026-18057 Events Manager < 7.4.1 - Subscriber+ Booking Consent Record Tampering via SQL Injection
CVE-2026-18049 WP Photo Album Plus < 9.2.07.002 - Unauthenticated Option Disclosure via gettogo
CVE-2026-18366 Events Manager < 7.4.1 - Unauthenticated Privilege Escalation to Administrator
CVE-2026-18230 WP Directory Kit < 1.5.6 - Subscriber+ SQL Injection via section Parameter
CVE-2026-18391 WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection
CVE-2026-18048 WP Photo Album Plus < 9.2.07.002 - Unauthenticated Arbitrary ZIP File Deletion via delmyzi
CVE-2026-18046 Cookie Consent < 0.0.10 - Subscriber+ MaxMind License Key Update

Showing top 20 of 44 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Welcart e-Commerce
Same vendor: Unknown

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