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CVE-2026-66483: WordPress Education Center theme <= 3.6.12 - PHP Object Injection vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-13
• Weakness: CWE-502

Description

Unauthenticated PHP Object Injection in Education Center <= 3.6.12 versions.

Affected products

• ThemeREX Education Center: through 3.6.12

References

• https://patchstack.com/database/wordpress/theme/education/vulnerability/wordpress-education-center-theme-3-6-12-php-object-injection-vulnerability?_s_id=cve

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