CVE-2020-28650

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-11-16 · updated 2026-06-17
Weakness: CWE-79

Description

The WPBakery plugin before 6.4.1 for WordPress allows XSS because it calls kses_remove_filters to disable the standard WordPress XSS protection mechanism for the Author and Contributor roles.

Affected products

WPBakery Page Builder: before 6.4.1 — fixed in 6.4.1

How to fix

Upgrade to a fixed version: WPBakery Page Builder 6.4.1. Check the vendor advisory for mitigations.

References

https://www.wordfence.com/blog/2020/10/vulnerability-exposes-over-4-million-sites-using-wpbakery/
https://www.wordfence.com/blog/2020/10/vulnerability-exposes-over-4-million-sites-using-wpbakery/

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