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CVE-2025-3890— WordPress Simple PayPal Shopping Cart <= 5.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Quick assessment

Affected
mra13 Simple Shopping Cart
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 WordPress Simple Shopping Cart 5.1.3及之前版本存在跨站脚本漏洞，该漏洞源于对短代码wp_cart_button的用户输入清理和输出转义不足，可能导致存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-3890

Vulnerability Information
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Vulnerability Title
WordPress Simple PayPal Shopping Cart <= 5.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Source: CVE Program / CVE List V5
Vulnerability Description
The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_cart_button' shortcode in all versions up to, and including, 5.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin WordPress Simple Shopping Cart 跨站脚本漏洞
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 WordPress Simple Shopping Cart 5.1.3及之前版本存在跨站脚本漏洞，该漏洞源于对短代码wp_cart_button的用户输入清理和输出转义不足，可能导致存储型跨站脚本攻击。
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
mra13 WordPress Simple Shopping Cart * ~ 5.1.3 -

II. Public POCs for CVE-2025-3890

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III. Intelligence Information for CVE-2025-3890

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Patches & Fixes for CVE-2025-3890 (2)

Vendor Advisories for CVE-2025-3890 (1)

Vendor Pages for CVE-2025-3890 (1)

Same Patch Batch · mra13 · 2025-05-01 · 3 CVEs total

CVE-2025-3874 6.5 MEDIUM WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference
CVE-2025-3889 5.3 MEDIUM WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference via 'qua

IV. Related Vulnerabilities

Same product: Simple Shopping Cart
Same vendor: mra13
Same weakness: CWE-79

V. Comments for CVE-2025-3890

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