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CVE-2026-66564— WordPress ShiftCV theme <= 3.0.14 - PHP Object Injection vulnerability

Quick assessment

Affected
ThemeREX ShiftCV
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 ShiftCV 版本 ≤ 3.0.14 中存在未认证的 PHP 对象注入漏洞。

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
ThemeREX ShiftCV n/a≤ 3.0.14 affected
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I. Basic Information for CVE-2026-66564

Vulnerability Information
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Vulnerability Title
WordPress ShiftCV theme <= 3.0.14 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated PHP Object Injection in ShiftCV <= 3.0.14 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
ThemeREX ShiftCV n/a ~ 3.0.14 -

II. Public POCs for CVE-2026-66564

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III. Intelligence Information for CVE-2026-66564

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Other References for CVE-2026-66564 (1)

Same Patch Batch · ThemeREX · 2026-10-10 · 20 CVEs total

CVE-2026-62053 9.8 CRITICAL WordPress Wine House theme <= 3.20 - PHP Object Injection vulnerability
CVE-2026-62050 9.8 CRITICAL WordPress Splendour theme <= 1.23 - PHP Object Injection vulnerability
CVE-2026-62054 9.8 CRITICAL WordPress Yacht Rental theme <= 2.6 - PHP Object Injection vulnerability
CVE-2026-62051 9.8 CRITICAL WordPress Stargaze theme <= 1.10 - PHP Object Injection vulnerability
CVE-2026-62125 9.8 CRITICAL WordPress Asia Garden theme <= 1.3.1 - PHP Object Injection vulnerability
CVE-2026-62123 9.8 CRITICAL WordPress Invetex theme <= 2.18 - PHP Object Injection vulnerability
CVE-2026-62052 9.8 CRITICAL WordPress Tipsy theme <= 1.6 - PHP Object Injection vulnerability
CVE-2026-62120 9.8 CRITICAL WordPress Law Office theme <= 3.20 - PHP Object Injection vulnerability
CVE-2026-62090 9.8 CRITICAL WordPress WineShop theme <= 3.20 - PHP Object Injection vulnerability
CVE-2026-62124 9.8 CRITICAL WordPress N7 | Golf Club Sports & Events theme <= 2.21 - PHP Object Injection vulnerabilit
CVE-2026-66483 9.8 CRITICAL WordPress Education Center theme <= 3.6.12 - PHP Object Injection vulnerability
CVE-2026-62086 9.8 CRITICAL WordPress Juno theme <= 2.25 - PHP Object Injection vulnerability
CVE-2026-62087 9.8 CRITICAL WordPress Equadio theme <= 1.1.4 - PHP Object Injection vulnerability
CVE-2026-81797 9.8 CRITICAL WordPress Buzz Stone | Magazine & Viral Blog WordPress Theme theme <= 1.0.2 - PHP Object I
CVE-2026-78535 9.8 CRITICAL WordPress Photolia theme <= 1.0.3 - PHP Object Injection vulnerability
CVE-2026-78529 9.8 CRITICAL WordPress Alliance theme <= 3.11 - PHP Object Injection vulnerability
CVE-2026-78531 9.8 CRITICAL WordPress Jacqueline theme <= 2.22 - PHP Object Injection vulnerability
CVE-2026-66563 9.8 CRITICAL WordPress Windsor theme <= 2.10 - PHP Object Injection vulnerability
CVE-2026-62074 8.1 HIGH WordPress Ozeum theme <= 1.3.0 - Local File Inclusion vulnerability

IV. Related Vulnerabilities

Same product: ShiftCV
Same vendor: ThemeREX
Same weakness: CWE-502

V. Comments for CVE-2026-66564

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