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CVE-2026-49113— WordPress Cornerstone plugin < 7.8.8 - Arbitrary Code Execution vulnerability

Quick assessment

Affected
THEMECO Cornerstone
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.

Cornerstone是THEMECO公司的一款 WordPress 全站可视化编辑平台，搭配 Pro Theme 可实现从零开始完全自定义网站设计。 THEMECO Cornerstone 7.8.8之前版本存在代码注入漏洞，该漏洞源于代码注入问题，可能导致订阅者执行任意代码。

CVSS 8.5 · High EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
THEMECO Cornerstone n/a< 7.8.8 affected
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I. Basic Information for CVE-2026-49113

Vulnerability Information
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Vulnerability Title
WordPress Cornerstone plugin < 7.8.8 - Arbitrary Code Execution vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Subscriber Arbitrary Code Execution in Cornerstone < 7.8.8 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/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
THEMECO Cornerstone 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cornerstone是THEMECO公司的一款 WordPress 全站可视化编辑平台，搭配 Pro Theme 可实现从零开始完全自定义网站设计。 THEMECO Cornerstone 7.8.8之前版本存在代码注入漏洞，该漏洞源于代码注入问题，可能导致订阅者执行任意代码。
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
THEMECO Cornerstone n/a ~ 7.8.8 -

II. Public POCs for CVE-2026-49113

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III. Intelligence Information for CVE-2026-49113

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Patches & Fixes for CVE-2026-49113 (1)

IV. Related Vulnerabilities

Same product: Cornerstone
Same vendor: THEMECO
Same weakness: CWE-94

V. Comments for CVE-2026-49113

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