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CVE-2026-15796— Builderall for WordPress <= 3.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'bg_video_service_url' Setting

Quick assessment

Affected
builderall Builderall for WordPress
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 Builderall for WordPress是WordPress基金会开源的一款网站构建组件。 WordPress Builderall for WordPress 3.0.2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，通过'bg_video_service_url'设置容易受到存储型跨站脚本攻击，可能导致具有贡献者级别及以上权限的已认证攻击者注入任意Web脚本并在用户访问注入页面时执行。

CVSS 6.4 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
builderall Builderall for WordPress ≤ 3.0.2 affected
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I. Basic Information for CVE-2026-15796

Vulnerability Information
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Vulnerability Title
Builderall for WordPress <= 3.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'bg_video_service_url' Setting
Source: CVE Program / CVE List V5
Vulnerability Description
The Builderall for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'bg_video_service_url' Setting in all versions up to, and including, 3.0.2 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 Builderall for WordPress 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Builderall for WordPress是WordPress基金会开源的一款网站构建组件。 WordPress Builderall for WordPress 3.0.2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，通过'bg_video_service_url'设置容易受到存储型跨站脚本攻击，可能导致具有贡献者级别及以上权限的已认证攻击者注入任意Web脚本并在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
builderall Builderall for WordPress 0 ~ 3.0.2 -

II. Public POCs for CVE-2026-15796

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III. Intelligence Information for CVE-2026-15796

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Patches & Fixes for CVE-2026-15796 (1)

Security Blog Posts for CVE-2026-15796 (1)

Vendor Pages for CVE-2026-15796 (1)

Other References for CVE-2026-15796 (1)

Same Patch Batch · builderall · 2026-09-10 · 3 CVEs total

CVE-2026-15820 6.4 MEDIUM Builderall for WordPress <= 3.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripti
CVE-2026-15823 4.3 MEDIUM Builderall for WordPress <= 3.0.2 - Missing Authorization to Authenticated (Subscriber+) A

IV. Related Vulnerabilities

Same product: Builderall for WordPress
Same vendor: builderall
Same weakness: CWE-79