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CVE-2021-4411— WP EasyPay – Square for WordPress <= 3.2.0 - Cross-Site Request Forgery Bypass

Quick assessment

Affected
saadiqbal WP Easy Pay – Payment and Donation form Builder for Square
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin WP EasyPay – Square for WordPress 3.2.0版本及之前版本存在跨站请求伪造漏洞，该漏洞源于 wpep_download_transaction_in_excel() 函数的随机数验证缺失或不正

CVSS 4.3 · Medium EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2021-4411

Vulnerability Information
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Vulnerability Title
WP EasyPay – Square for WordPress <= 3.2.0 - Cross-Site Request Forgery Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The WP EasyPay – Square for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.0. This is due to missing or incorrect nonce validation on the wpep_download_transaction_in_excel() function. This makes it possible for unauthenticated attackers to trigger a transactions download via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Plugin WP EasyPay – Square for WordPress 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin WP EasyPay – Square for WordPress 3.2.0版本及之前版本存在跨站请求伪造漏洞，该漏洞源于 wpep_download_transaction_in_excel() 函数的随机数验证缺失或不正
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
wpexpertsio WP EasyPay – Square for WordPress * ~ 3.2.0 -

II. Public POCs for CVE-2021-4411

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III. Intelligence Information for CVE-2021-4411

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Patches & Fixes for CVE-2021-4411 (1)

Vendor Advisories for CVE-2021-4411 (1)

Security Blog Posts for CVE-2021-4411 (7)

Same Patch Batch · saadiqbal · 2023-07-12 · 3 CVEs total

CVE-2023-3082 7.2 HIGH Post SMTP <= 2.5.7 - Unauthenticated Stored Cross-Site Scripting via Email
CVE-2021-4422 4.3 MEDIUM POST SMTP Mailer <= 2.0.20 - Cross-Site Request Forgery Bypass

IV. Related Vulnerabilities

Same product: WP Easy Pay – Payment and Donation form Builder for Square
Same vendor: saadiqbal
Same weakness: CWE-352

V. Comments for CVE-2021-4411

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