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CVE-2021-4337— Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization

Quick assessment

Affected
XforWooCommerce Package Quantity Discount
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 Sixteen XforWooCommerce Add-On Plugins 存在安全漏洞，该漏洞源于缺少对 wp_ajax_svx_ajax_factory 函数的功能检查，因此容易受到授权绕过的影响。

CVSS 8.8 · High EPSS 1.29% · P67

Possible ATT&CK Techniques 1 AI

T1078.002 · Domain Accounts
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I. Basic Information for CVE-2021-4337

Vulnerability Information
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Vulnerability Title
Multiple XforWooCommerce Add-On Plugins (Various Versions) - Missing Authorization
Source: CVE Program / CVE List V5
Vulnerability Description
Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to read, edit, or delete WordPress settings, plugin settings, and to arbitrarily list all users on a WordPress website. The plugins impacted are: Product Filter for WooCommerce < 8.2.0, Improved Product Options for WooCommerce < 5.3.0, Improved Sale Badges for WooCommerce < 4.4.0, Share, Print and PDF Products for WooCommerce < 2.8.0, Product Loops for WooCommerce < 1.7.0, XforWooCommerce < 1.7.0, Package Quantity Discount < 1.2.0, Price Commander for WooCommerce < 1.3.0, Comment and Review Spam Control for WooCommerce < 1.5.0, Add Product Tabs for WooCommerce < 1.5.0, Autopilot SEO for WooCommerce < 1.6.0, Floating Cart < 1.3.0, Live Search for WooCommerce < 2.1.0, Bulk Add to Cart for WooCommerce < 1.3.0, Live Product Editor for WooCommerce < 4.7.0, and Warranties and Returns for WooCommerce < 5.3.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Plugin Sixteen XforWooCommerce Add-On Plugins 安全漏洞
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 Sixteen XforWooCommerce Add-On Plugins 存在安全漏洞，该漏洞源于缺少对 wp_ajax_svx_ajax_factory 函数的功能检查，因此容易受到授权绕过的影响。
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
XforWooCommerce Product Filter for WooCommerce * ~ 8.2.0 -
XforWooCommerce Improved Sale Badges for WooCommerce * ~ 4.4.0 -
XforWooCommerce XforWooCommerce * ~ 1.7.0 -
XforWooCommerce Live Product Editor for WooCommerce * ~ 4.7.0 -
XforWooCommerce Warranties and Returns for WooCommerce * ~ 5.3.0 -
XforWooCommerce Price Commander for WooCommerce * ~ 1.3.0 -
XforWooCommerce Improved Product Options for WooCommerce * ~ 5.3.0 -
XforWooCommerce Comment and Review Spam Control for WooCommerce * ~ 1.5.0 -
XforWooCommerce Package Quantity Discount * ~ 1.2.0 -
XforWooCommerce Share, Print and PDF Products for WooCommerce * ~ 2.8.0 -
XforWooCommerce Bulk Add to Cart for WooCommerce * ~ 1.3.0 -
XforWooCommerce Live Search for WooCommerce * ~ 2.1.0 -
XforWooCommerce Floating Cart for WooCommerce * ~ 1.3.0 -
XforWooCommerce Add Product Tabs for WooCommerce * ~ 1.5.0 -
XforWooCommerce Product Loops for WooCommerce * ~ 1.7.0 -
XforWooCommerce Autopilot SEO for WooCommerce * ~ 1.6.0 -

II. Public POCs for CVE-2021-4337

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III. Intelligence Information for CVE-2021-4337

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Vendor Advisories for CVE-2021-4337 (1)

Security Blog Posts for CVE-2021-4337 (2)

IV. Related Vulnerabilities

Same vendor: XforWooCommerce
Same weakness: CWE-862

V. Comments for CVE-2021-4337

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