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CVE-2026-109975— Cozy Blocks <= 2.2.27 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon.view' Block Attribute

Quick assessment

Affected
cozythemes Cozy Blocks – Website Builder & Business Growth Toolkit | Popups, Lead Forms & Inbox
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"Cozy Blocks – Website Builder for WordPress Block Editor 尽管在保存时调用了 函数，但它无法中和仅包含引号、不包含 字符的属性越界（attribute-breakout）载荷。因此，区块注释及其解码后的 JSON 属性在渲染阶段仍保持完整并可被利用，从而导致漏洞被成功触发。

CVSS 6.4 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-109975

Vulnerability Information
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Vulnerability Title
Cozy Blocks <= 2.2.27 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon.view' Block Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The Cozy Blocks – Website Builder for WordPress Block Editor | Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content (block attribute icon.view / icon.layout / icon.gap)' parameter in all versions up to, and including, 2.2.27 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. Although wp_kses_post is applied on save, it does not neutralize a quote-only attribute-breakout payload containing no '<' character, leaving the block comment and its decoded JSON attributes intact and exploitable at render time.
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
cozythemes Cozy Blocks – Website Builder & Business Growth Toolkit | Popups, Lead Forms & Inbox 0 ~ 2.2.27 -

II. Public POCs for CVE-2026-109975

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III. Intelligence Information for CVE-2026-109975

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Other References for CVE-2026-109975 (7)

IV. Related Vulnerabilities

Same product: Cozy Blocks – Website Builder & Business Growth Toolkit | Popups, Lead Forms & Inbox
Same vendor: cozythemes
Same weakness: CWE-79