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CVE-2026-17090— Beaver Builder Page Builder <= 2.10.2.2 - Authenticated (Author+) Stored Cross-Site Scripting via Button Module 'button' Parameter

Quick assessment

Affected
beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder
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 Beaver Builder Page Builder是WordPress基金会开源的一款页面构建插件。 WordPress Beaver Builder Page Builder 2.10.2.2及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致经过身份验证的攻击者（具有作者级别及以上权限）注入任意Web脚本，当用户访问被注入的页面时执行。

CVSS 6.4 · Medium EPSS 0.41% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder ≤ 2.10.2.2 affected
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I. Basic Information for CVE-2026-17090

Vulnerability Information
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Vulnerability Title
Beaver Builder Page Builder <= 2.10.2.2 - Authenticated (Author+) Stored Cross-Site Scripting via Button Module 'button' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Button Module 'button' (Button Code) Setting in all versions up to, and including, 2.10.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Beaver Builder grants editor access to any WordPress role holding the edit_posts capability by default, meaning Author-level users and above can exploit this vulnerability.
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 Beaver Builder Page Builder 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Beaver Builder Page Builder是WordPress基金会开源的一款页面构建插件。 WordPress Beaver Builder Page Builder 2.10.2.2及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致经过身份验证的攻击者（具有作者级别及以上权限）注入任意Web脚本，当用户访问被注入的页面时执行。
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
beaverbuilder Beaver Builder Page Builder – Drag and Drop Website Builder 0 ~ 2.10.2.2 -

II. Public POCs for CVE-2026-17090

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III. Intelligence Information for CVE-2026-17090

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Patches & Fixes for CVE-2026-17090 (4)

News Coverage for CVE-2026-17090 (1)

Other References for CVE-2026-17090 (1)

IV. Related Vulnerabilities

Same product: Beaver Builder Page Builder – Drag and Drop Website Builder
Same vendor: beaverbuilder
Same weakness: CWE-79

V. Comments for CVE-2026-17090

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