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CVE-2026-93339— Ditty < 3.1.70 Stored XSS via Layout Tag Wrapper Attribute

Quick assessment

Affected
Metaphor Creations Ditty
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.

Metaphor Creations 开发的 Ditty 新闻滚动条插件（ditty-news-ticker）在 3.1.70 版本之前存在存储型跨站脚本（XSS）漏洞。拥有“作者”权限或更高权限的已认证用户，可以通过在布局标签中提供恶意的包裹（wrapper）属性值，注入任意的 HTML 元素。 该漏洞的根本原因在于 函数会将调用者提供的包裹属性值直接作为 HTML 元素名称插入，而未进行任何白名单校验。由于 KSES（WordPress 的安全过滤器）在保存时执行 清理，而布局标签的属性是在渲染时才被解析，因此

CVSS 5.4 · Medium EPSS 0.31% · P24

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
Metaphor Creations Ditty < 3.1.70 affected
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I. Basic Information for CVE-2026-93339

Vulnerability Information
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Vulnerability Title
Ditty < 3.1.70 Stored XSS via Layout Tag Wrapper Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
Metaphor Creations Ditty (ditty-news-ticker) before 3.1.70 contains a stored cross-site scripting vulnerability that allows authenticated users with Author-level privileges or higher to inject arbitrary HTML elements by supplying malicious wrapper attribute values in layout tags. The ditty_layout_render_tag_wrapper() function inserts caller-supplied wrapper attribute values directly as HTML element names without allowlist validation, bypassing wp_kses_post() sanitization because KSES runs at save time before layout tag attributes are resolved at render time, causing the payload to execute in the browser of any visitor viewing posts or pages embedding the affected Ditty item.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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
Metaphor Creations Ditty 0 ~ 3.1.70 -

II. Public POCs for CVE-2026-93339

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III. Intelligence Information for CVE-2026-93339

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Security Blog Posts for CVE-2026-93339 (1)

Other References for CVE-2026-93339 (1)

IV. Related Vulnerabilities

Same product: Ditty
Same vendor: Metaphor Creations
Same weakness: CWE-79