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CVE-2026-66568— WordPress Original theme <= 1.9.0 - PHP Object Injection vulnerability

Quick assessment

Affected
axiomthemes Original
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 Original <= 1.9.0 版本中存在未认证的 PHP 对象注入漏洞。

CVSS 9.8 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
axiomthemes Original n/a≤ 1.9.0 affected
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I. Basic Information for CVE-2026-66568

Vulnerability Information
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Vulnerability Title
WordPress Original theme <= 1.9.0 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated PHP Object Injection in Original <= 1.9.0 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
axiomthemes Original n/a ~ 1.9.0 -

II. Public POCs for CVE-2026-66568

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III. Intelligence Information for CVE-2026-66568

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Other References for CVE-2026-66568 (1)

Same Patch Batch · axiomthemes · 2026-10-10 · 6 CVEs total

CVE-2026-93927 9.8 CRITICAL WordPress Veto theme <= 1.6.0 - PHP Object Injection vulnerability
CVE-2026-93945 9.8 CRITICAL WordPress Balance theme <= 1.12.0 - PHP Object Injection vulnerability
CVE-2026-66565 9.8 CRITICAL WordPress FC United theme <= 1.1.1 - PHP Object Injection vulnerability
CVE-2026-66569 9.8 CRITICAL WordPress Kicker theme <= 2.2.1 - PHP Object Injection vulnerability
CVE-2026-42704 8.1 HIGH WordPress Kids Care theme <= 3.2.4 - Local File Inclusion vulnerability

IV. Related Vulnerabilities

Same vendor: axiomthemes
Same weakness: CWE-502

V. Comments for CVE-2026-66568

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