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CVE-2026-8886— hk_shortcode <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'title' Shortcode Attribute

Quick assessment

Affected
huankong hk_shortcode
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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin hk_shortcode 1.0及之前版本存在跨站脚本漏洞，该漏洞源于huankong_post_short_title_plane函数中用户提供的短代码属性输入清理和输出转义不足，title属性直接拼接至HTML输

CVSS 6.4 · Medium EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
huankong hk_shortcode ≤ 1.0 affected
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I. Basic Information for CVE-2026-8886

Vulnerability Information
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Vulnerability Title
hk_shortcode <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'title' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The hk_shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'title-plane' shortcode in versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes in the huankong_post_short_title_plane() function, where the 'title' attribute is concatenated directly into HTML output without any escaping. 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 hk_shortcode 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。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin hk_shortcode 1.0及之前版本存在跨站脚本漏洞，该漏洞源于huankong_post_short_title_plane函数中用户提供的短代码属性输入清理和输出转义不足，title属性直接拼接至HTML输
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
huankong hk_shortcode 0 ~ 1.0 -

II. Public POCs for CVE-2026-8886

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III. Intelligence Information for CVE-2026-8886

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Patches & Fixes for CVE-2026-8886 (1)

Security Blog Posts for CVE-2026-8886 (1)

Other References for CVE-2026-8886 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-8886

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