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CVE-2026-54859

CRITICAL NVD

CVSS Score 9.8

Severity CRITICAL

Published Oct 29, 2026

Vendor unknown

Description

Unauthenticated PHP Object Injection in Preservation <= 1.15 versions.

References

https://patchstack.com/database/wordpress/theme/preservation/vulnerability/wordpress-preservation-theme-1-15-php-object-injection-vulnerability?_s_id=cve