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CVE-2026-42723— WordPress CleanSkin theme <= 1.5.0 - PHP Object Injection vulnerability

Quick assessment

Affected
AncoraThemes CleanSkin
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.

在 CleanSkin <= 1.5.0 版本中存在未认证的 PHP 对象注入漏洞。

CVSS 9.8 · Critical EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
AncoraThemes CleanSkin n/a≤ 1.5.0 affected
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I. Basic Information for CVE-2026-42723

Vulnerability Information
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Vulnerability Title
WordPress CleanSkin theme <= 1.5.0 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated PHP Object Injection in CleanSkin <= 1.5.0 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
AncoraThemes CleanSkin n/a ~ 1.5.0 -

II. Public POCs for CVE-2026-42723

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III. Intelligence Information for CVE-2026-42723

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Patches & Fixes for CVE-2026-42723 (1)

Same Patch Batch · AncoraThemes · 2026-10-10 · 5 CVEs total

CVE-2026-66567 9.8 CRITICAL WordPress Anesta theme <= 1.5.3 - PHP Object Injection vulnerability
CVE-2026-66482 9.8 CRITICAL WordPress Drone Media theme <= 2.2.0 - PHP Object Injection vulnerability
CVE-2026-78533 9.8 CRITICAL WordPress Qwery theme <= 3.6.1 - PHP Object Injection vulnerability
CVE-2026-42724 8.1 HIGH WordPress CleanSkin theme <= 1.5.0 - Local File Inclusion vulnerability

IV. Related Vulnerabilities

Same product: CleanSkin
Same vendor: AncoraThemes
Same weakness: CWE-502

V. Comments for CVE-2026-42723

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