CVE-2025-39410 - CVE House

Status published Critical CVE-2025-39410

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

9.8 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Bonds (Patchstack Alliance)

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

Affected Vendor

themegusta

View all reports →

Affected Software

Smart Sections Theme Builder - WPBakery Page Builder Addon

Vulnerable Versions:

Unknown

Timeline

Official Publish: May 19th, 2025

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-502

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

Initial Access

T1059 Command and Scripting Interpreter

Execution

T1505.003 Web Shell

Persistence

T1105 Ingress Tool Transfer

Command and Control

T1068 Exploitation for Privilege Escalation

Privilege Escalation