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CVE-2026-88037— Bold Page Builder <= 5.7.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via bt_bb_service title

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 的 Bold Page Builder 插件在包括 5.7.2 在内的所有版本中，存在通过 短代码的 属性引发的存储型跨站脚本（Stored XSS）漏洞。该漏洞源于对用户提供的属性缺乏充分的输入净化和输出转义处理。这使得拥有贡献者（Contributor）级别或更高权限的已认证攻击者能够向页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将会执行。

CVSS 6.4 · Medium

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-88037

Vulnerability Information
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Vulnerability Title
Bold Page Builder <= 5.7.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via bt_bb_service title
Source: CVE Program / CVE List V5
Vulnerability Description
The Bold Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `title` attribute of the `bt_bb_service` shortcode in all versions up to, and including, 5.7.2. This is 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

Affected Products

Vendor Product Affected Versions CPE Subscribe
boldthemes Bold Page Builder 0 ~ 5.7.2 -

II. Public POCs for CVE-2026-88037

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III. Intelligence Information for CVE-2026-88037

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Patches & Fixes for CVE-2026-88037 (1)

Vendor Advisories for CVE-2026-88037 (1)

Same Patch Batch · boldthemes · 2026-09-30 · 5 CVEs total

CVE-2026-6172 6.4 MEDIUM Bold Page Builder <= 5.7.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via
CVE-2026-6170 6.4 MEDIUM Bold Page Builder <= 5.7.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via
CVE-2026-6171 6.4 MEDIUM Bold Page Builder <= 5.7.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via
CVE-2026-6173 6.4 MEDIUM Bold Page Builder <= 5.7.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-88037

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