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CVE-2026-109385— UiChemy <= 5.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slot Link URL

Quick assessment

Affected
posimyththemes UiChemy – Convert Figma, Prompts and AI Builds to Elementor, Gutenberg and Bricks
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 插件 UiChemy（用于将 Figma 设计稿、提示词及 AI 生成内容转换为 Elementor、Gutenberg 和 Bricks 构建器）在 5.3.0 及以下所有版本中，存在存储型跨站脚本（Stored XSS）漏洞。该漏洞源于对参数 的输入清理和输出转义不足。 此漏洞允许拥有“贡献者”（Contributor）及以上权限的已认证攻击者，在页面中注入任意 Web 脚本；当用户访问被注入的页面时，这些脚本将被执行。值得注意的是，注入的 载荷在用户点击链接时触发，而非页面加载时触发。因此

CVSS 6.4 · Medium EPSS 0.26% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
posimyththemes UiChemy – Convert Figma, Prompts and AI Builds to Elementor, Gutenberg and Bricks ≤ 5.3.0 affected
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I. Basic Information for CVE-2026-109385

Vulnerability Information
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Vulnerability Title
UiChemy <= 5.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slot Link URL
Source: CVE Program / CVE List V5
Vulnerability Description
The UiChemy – Convert Figma, Prompts and AI Builds to Elementor, Gutenberg and Bricks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'actions[save_builder][data][elements][...][settings][slot_{N}_link][url]' parameter in all versions up to, and including, 5.3.0 due to insufficient input sanitization and output 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. The injected javascript: payload fires on click rather than on page load, making exploitation contingent on a privileged user such as an Editor or Administrator clicking the attacker-crafted link while reviewing or previewing the Contributor's post.
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
posimyththemes UiChemy – Convert Figma, Prompts and AI Builds to Elementor, Gutenberg and Bricks 0 ~ 5.3.0 -

II. Public POCs for CVE-2026-109385

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III. Intelligence Information for CVE-2026-109385

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Patches & Fixes for CVE-2026-109385 (1)

Vendor Pages for CVE-2026-109385 (2)

Other References for CVE-2026-109385 (1)

IV. Related Vulnerabilities

Same vendor: posimyththemes
Same weakness: CWE-79