CVE-2026-78264

Received Received - Intake

Unauthenticated XSS in Toolset Blocks

Publication date: 2026-08-24

Last updated on: 2026-08-24

Assigner: Patchstack

Description

Unauthenticated Cross Site Scripting (XSS) in Toolset Blocks <= 1.6.26 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-78264

Affected Vendors & Products

Vendor	Product	Version / Range
toolset	blocks	to 1.6.26 (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 Toolset Blocks plugin versions up to and including 1.6.26. XSS 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. Since no authentication is required, any user visiting a compromised page could be affected.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Update Toolset Blocks to the latest version, which should address the XSS vulnerability. If an update is not available, consider disabling the plugin temporarily until a patch is released.

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