CVE-2023-0268: Mega Addons For WPBakery Page Builder < 4.3.0 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 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: yes
Published: 2023-05-08 · updated 2026-06-17

Description

The Mega Addons For WPBakery Page Builder WordPress plugin before 4.3.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products

Topdigitaltrends Mega Addons For WPBakery Page Builder (WordPress plugin): before 4.3.0 — fixed in 4.3.0

How to fix

Upgrade to a fixed version: Topdigitaltrends Mega Addons For WPBakery Page Builder (WordPress plugin) 4.3.0. Check the vendor advisory for mitigations.

References

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