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CVE-2025-0450— Betheme <= 27.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom JS

Quick assessment

Affected
MuffinGroup Betheme
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 Betheme 27.6.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足,导致容易受到存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.24% · P16

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-0450

Vulnerability Information
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Vulnerability Title
Betheme <= 27.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom JS
Source: CVE Program / CVE List V5
Vulnerability Description
The Betheme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's custom JS functionality in all versions up to, and including, 27.6.1 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 Betheme 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 Betheme 27.6.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足,导致容易受到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
MuffinGroup Betheme * ~ 27.6.1 -

II. Public POCs for CVE-2025-0450

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III. Intelligence Information for CVE-2025-0450

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Vendor Advisories for CVE-2025-0450 (1)

Vendor Pages for CVE-2025-0450 (1)

IV. Related Vulnerabilities

Same product: Betheme
Same vendor: MuffinGroup
Same weakness: CWE-79

V. Comments for CVE-2025-0450

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