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CVE-2026-2357— Bold Page Builder <= 5.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting

Quick assessment

Affected
boldthemes Bold Page 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 Bold Page Builder是WordPress基金会的一个页面构建器插件。 WordPress Bold Page Builder 5.6.8及之前版本存在跨站脚本漏洞，该漏洞源于对用户提供的属性输入清理和输出转义不足，可能导致具有贡献者等级及以上访问权限的经过身份验证的攻击者注入任意Web脚本，当用户访问注入页面时执行。

CVSS 6.4 · Medium EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
boldthemes Bold Page Builder ≤ 5.6.8 affected
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I. Basic Information for CVE-2026-2357

Vulnerability Information
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Vulnerability Title
Bold Page Builder <= 5.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Bold Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bt_bb_shortcode' shortcode in all versions up to, and including, 5.6.8 due to insufficient input sanitization and output escaping on user supplied attributes. 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 Bold Page Builder 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Bold Page Builder是WordPress基金会的一个页面构建器插件。 WordPress Bold Page Builder 5.6.8及之前版本存在跨站脚本漏洞，该漏洞源于对用户提供的属性输入清理和输出转义不足，可能导致具有贡献者等级及以上访问权限的经过身份验证的攻击者注入任意Web脚本，当用户访问注入页面时执行。
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
boldthemes Bold Page Builder 0 ~ 5.6.8 -

II. Public POCs for CVE-2026-2357

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III. Intelligence Information for CVE-2026-2357

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Patches & Fixes for CVE-2026-2357 (1)

News Coverage for CVE-2026-2357 (1)

Vendor Pages for CVE-2026-2357 (1)

IV. Related Vulnerabilities

Same product: Bold Page Builder
Same vendor: boldthemes
Same weakness: CWE-79

V. Comments for CVE-2026-2357

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