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CVE-2026-27436— WordPress Five Star Business Profile and Schema plugin <= 2.3.19 - Arbitrary Code Execution vulnerability

Quick assessment

Affected
Rustaurius Five Star Business Profile and Schema
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.

Rustaurius Five Star Business Profile and Schema是Rustaurius个人开发者的一款 WordPress 插件，能让你无需编写代码，即可为网站的任何页面或文章添加 LD+JSON 格式的结构化数据，并创建一个包含营业时间、地图等信息的 SEO 友好型联系方式卡片。 Rustaurius Five Star Business Profile and Schema 2.3.19及之前版本存在代码注入漏洞，该漏洞源于编辑器任意代码执行，可能导致攻击者执行任意代码

CVSS 9.1 · Critical EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Rustaurius Five Star Business Profile and Schema n/a≤ 2.3.19 affected
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I. Basic Information for CVE-2026-27436

Vulnerability Information
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Vulnerability Title
WordPress Five Star Business Profile and Schema plugin <= 2.3.19 - Arbitrary Code Execution vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Editor Arbitrary Code Execution in Five Star Business Profile and Schema <= 2.3.19 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Rustaurius Five Star Business Profile and Schema 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rustaurius Five Star Business Profile and Schema是Rustaurius个人开发者的一款 WordPress 插件，能让你无需编写代码，即可为网站的任何页面或文章添加 LD+JSON 格式的结构化数据，并创建一个包含营业时间、地图等信息的 SEO 友好型联系方式卡片。 Rustaurius Five Star Business Profile and Schema 2.3.19及之前版本存在代码注入漏洞，该漏洞源于编辑器任意代码执行，可能导致攻击者执行任意代码
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
Rustaurius Five Star Business Profile and Schema n/a ~ 2.3.19 -

II. Public POCs for CVE-2026-27436

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III. Intelligence Information for CVE-2026-27436

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Vendor Advisories for CVE-2026-27436 (1)

IV. Related Vulnerabilities

Same product: Five Star Business Profile and Schema
Same vendor: Rustaurius
Same weakness: CWE-94

V. Comments for CVE-2026-27436

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