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CVE-2026-39499: WordPress Advanced Product Fields (Product Addons) for WooCommerce plugin <= 1.6.19 - PHP Object Injection vulnerability

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-15 · updated 2026-10-25
• Weakness: CWE-502

Description

Shop manager PHP Object Injection in Advanced Product Fields (Product Addons) for WooCommerce <= 1.6.19 versions.

Affected products

• Wombat Plugins Advanced Product Fields (Product Addons) for WooCommerce: through 1.6.19

References

• https://patchstack.com/database/wordpress/plugin/advanced-product-fields-for-woocommerce/vulnerability/wordpress-advanced-product-fields-product-addons-for-woocommerce-plugin-1-6-19-php-object-injection-vulnerability?_s_id=cve

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