🔐 CVE Alert

CVE-2026-66563

CRITICAL 9.8

WordPress Windsor theme <= 2.10 - PHP Object Injection vulnerability

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

Unauthenticated PHP Object Injection in Windsor <= 2.10 versions.

CWE CWE-502
Vendor themerex
Product windsor
Published Oct 10, 2026
Last Updated Oct 10, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

ThemeREX / Windsor
n/a ≤ 2.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗
patchstack.com: https://patchstack.com/database/wordpress/theme/windsor/vulnerability/wordpress-windsor-theme-2-10-php-object-injection-vulnerability?_s_id=cve

Credits

Bonds | Patchstack Bug Bounty Program