CVE-2025-39410: WordPress Smart Sections Theme Builder - WPBakery Page Builder Addon plugin <= 1.7.8 - PHP Object Injection vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-19 · updated 2026-06-17
Weakness: CWE-502

Description

Deserialization of Untrusted Data vulnerability in themegusta Smart Sections Theme Builder - WPBakery Page Builder Addon.This issue affects Smart Sections Theme Builder - WPBakery Page Builder Addon: from n/a through 1.7.8.

Affected products

themegusta Smart Sections Theme Builder - WPBakery Page Builder Addon: through 1.7.8

References

https://patchstack.com/database/wordpress/plugin/visucom-smart-sections/vulnerability/wordpress-smart-sections-theme-builder-wpbakery-page-builder-addon-plugin-1-7-8-php-object-injection-vulnerability?_s_id=cve

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