CVE-2026-6178— Betheme <= 28.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon_box_2' Shortcode
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 的 Betheme 主题存在存储型跨站脚本（XSS）漏洞。该漏洞出现在主题中的 'icon_box_2' 短代码中，影响版本为 28.4 及以下所有版本。问题源于对用户提供的属性输入缺乏充分的过滤处理和输出转义。因此，具有贡献者及以上权限的已认证攻击者可以在页面中注入任意 Web 脚本，当其他用户访问被注入的页面时，这些脚本将被执行。
Possible ATT&CK Techniques 1 AI
T1059.001 · PowerShellAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MuffinGroup | Betheme | ≤ 28.4 |
affected |
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I. Basic Information for CVE-2026-6178
Vulnerability Information
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Vulnerability Title
Betheme <= 28.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon_box_2' Shortcode
Source: CVE Program / CVE List V5
Vulnerability Description
The Betheme theme for WordPress is vulnerable to Stored Cross-Site Scripting via the theme's 'icon_box_2' shortcode in all versions up to, and including, 28.4 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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MuffinGroup | Betheme | 0 ~ 28.4 | - |
|
II. Public POCs for CVE-2026-6178
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Pages for CVE-2026-6178 (1)
Other References for CVE-2026-6178 (3)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-6178
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