CVE-2025-39410 | BDVDB-2026-279474 Detail

themegustaSmart Sections Theme Builder - WPBakery Page Builder Addon

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#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-502 Deserialization of Untrusted Data

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

Exploit#

No public exploit known

History#

Version 12025-05-19Record published in the CVE List.
Version 22026-04-28Most recent update recorded in the CVE List.

Published

Published: 2025-05-19
Last modified: 2026-04-28

Vendor information

Vendor: themegusta
Product: Smart Sections Theme Builder - WPBakery Page Builder Addon

All themegusta vulnerabilities

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 43.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Deserialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.7.8
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).