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CVE-2026-15950— Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'layoutCircle.alignment' Block Attribute

Quick assessment

Affected
cozythemes Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 700+ Patterns, 58 Blocks & Templates
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 Cozy Blocks是WordPress基金会的一个CMS可视化构建区块组件。 WordPress Cozy Blocks 2.2.11及之前版本存在跨站脚本漏洞，该漏洞源于对'layoutCircle.alignment'块属性的输入清理和输出转义不足，可能导致具有贡献者级别及以上访问权限的经过身份验证的攻击者在页面中注入任意Web脚本，当用户访问被注入页面时执行。

CVSS 6.4 · Medium EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
cozythemes Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 700+ Patterns, 58 Blocks & Templates ≤ 2.2.11 affected
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I. Basic Information for CVE-2026-15950

Vulnerability Information
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Vulnerability Title
Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'layoutCircle.alignment' Block Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 600+ Patterns, 58 Blocks & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'layoutCircle.alignment' Block Attribute in all versions up to, and including, 2.2.11 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.
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 Cozy Blocks 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Cozy Blocks是WordPress基金会的一个CMS可视化构建区块组件。 WordPress Cozy Blocks 2.2.11及之前版本存在跨站脚本漏洞，该漏洞源于对'layoutCircle.alignment'块属性的输入清理和输出转义不足，可能导致具有贡献者级别及以上访问权限的经过身份验证的攻击者在页面中注入任意Web脚本，当用户访问被注入页面时执行。
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
cozythemes Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 700+ Patterns, 58 Blocks & Templates 0 ~ 2.2.11 -

II. Public POCs for CVE-2026-15950

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III. Intelligence Information for CVE-2026-15950

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Patches & Fixes for CVE-2026-15950 (1)

Vendor Advisories for CVE-2026-15950 (1)

Other References for CVE-2026-15950 (1)

IV. Related Vulnerabilities

Same product: Cozy Blocks – Page Builder for Gutenberg Editor & FSE with 700+ Patterns, 58 Blocks & Templates
Same vendor: cozythemes
Same weakness: CWE-79

V. Comments for CVE-2026-15950

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