CVE-2023-0159: Extensive VC Addons for WPBakery page builder < 1.9.1 - Unauthenticated RCE

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 55.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-13 · updated 2026-06-17

Description

The Extensive VC Addons for WPBakery page builder WordPress plugin before 1.9.1 does not validate a parameter passed to the php extract function when loading templates, allowing an unauthenticated attacker to override the template path to read arbitrary files from the hosts file system. This may be escalated to RCE using PHP filter chains.

Affected products

Extensive VC Addons for WPBakery page builder: before 1.9.1 — fixed in 1.9.1

How to fix

Upgrade to a fixed version: Extensive VC Addons for WPBakery page builder 1.9.1. Check the vendor advisory for mitigations.

References

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