CVE-2026-32556: WordPress Boost plugin <= 2.0.4 - Cross Site Scripting (XSS) vulnerability

Q: Who can exploit this issue?

The vulnerability is described as unauthenticated, so an attacker does not need a WordPress account or prior privileges. Exploitation still requires user interaction, as indicated by the UI:R vector.

Q: What security impact can successful exploitation have?

The supplied CVSS vector indicates low confidentiality, integrity, and availability impact, with scope changed. This is an XSS vulnerability, meaning attacker-supplied script could execute in a victim's browser in the affected application context.

Q: Which plugin versions are affected?

Boost plugin versions 2.0.4 and earlier are identified as affected. No fixed version is provided in the available data.

Published Aug 24, 2026

Updated

Unauthenticated Cross Site Scripting (XSS) in Boost <= 2.0.4 versions.

Affected Software

1 affected component

WordPress Boost plugin<=2.0.4

Event History

Aug 24, 2026

CVE Published

via MITRE·09:31 PM

Data Sourced

via MITRE·09:31 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·10:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

Who can exploit this issue?

The vulnerability is described as unauthenticated, so an attacker does not need a WordPress account or prior privileges. Exploitation still requires user interaction, as indicated by the UI:R vector.

What security impact can successful exploitation have?

The supplied CVSS vector indicates low confidentiality, integrity, and availability impact, with scope changed. This is an XSS vulnerability, meaning attacker-supplied script could execute in a victim's browser in the affected application context.

Which plugin versions are affected?