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CVE-2026-2505— Categories Images <= 3.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'z_taxonomy_image' Shortcode

CVSS 5.4 · Medium EPSS 0.01% · P1
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I. Basic Information for CVE-2026-2505

Vulnerability Information
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Vulnerability Title
Categories Images <= 3.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'z_taxonomy_image' Shortcode
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Categories Images plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.3.1, via the 'z_taxonomy_image' shortcode. This is due to the shortcode rendering path passing attacker-controlled class input into a fallback image builder that concatenates HTML attributes without proper escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts that execute when users interact with the injected frontend page via the 'class' shortcode attribute.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Categories Images 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 Categories Images 3.3.1及之前版本存在安全漏洞，该漏洞源于短代码渲染路径将攻击者控制的输入传递到备用图像构建器，且未正确转义HTML属性，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

VendorProductAffected VersionsCPESubscribe
elzahlanCategories Images 0 ~ 3.3.1 -

II. Public POCs for CVE-2026-2505

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III. Intelligence Information for CVE-2026-2505

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IV. Related Vulnerabilities

Same product: Categories Images
Same weakness: CWE-79

V. Comments for CVE-2026-2505

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