CVE-2026-32556

Received Received - Intake

Unauthenticated XSS in Boost CMS

Publication date: 2026-08-24

Last updated on: 2026-08-24

Assigner: Patchstack

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-24

Last Modified

2026-08-24

Generated

2026-08-25

AI Q&A

2026-08-25

EPSS Evaluated

N/A

NVD

CVE-2026-32556

Affected Vendors & Products

Vendor	Product	Version / Range
boost	boost	to 2.0.4 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting Boost versions 2.0.4 and below. It allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Impact Analysis

An attacker could exploit this to steal user sessions, deface websites, or redirect users to malicious sites. It may lead to unauthorized data access or actions on behalf of users if combined with other vulnerabilities.

Compliance Impact

This XSS vulnerability could lead to data breaches, violating GDPR's integrity and confidentiality requirements. For HIPAA, it may expose protected health information, risking compliance with security rules.

Mitigation Strategies

Update Boost to the latest version that fixes the XSS vulnerability. If an update is not available, consider disabling or removing the Boost plugin until a patch is released.

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