---
id: GHSA-hwmc-r6mf-jh83
title: >-
  Schema.org has cross-site scripting (XSS) via script break-out in toScript()
  output
summary: >-
  Schema.org has cross-site scripting (XSS) via script break-out in toScript()
  output
severity: low
cwe:
  - CWE-79
vendor: spatie
product: spatie/schema-org
ecosystem: composer
affected:
  - 'spatie/schema-org >= 3.23.1, < 3.23.2'
  - 'spatie/schema-org >= 4.0.0, < 4.0.2'
patched:
  - spatie/schema-org 3.23.2
  - spatie/schema-org 4.0.2
published: '2026-07-01'
updated: '2026-07-01'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-hwmc-r6mf-jh83'
references:
  - url: 'https://github.com/spatie/schema-org/pull/242'
  - url: >-
      https://github.com/spatie/schema-org/commit/be389b4759214c11cc1364a16e34a929c5af5a88
  - url: >-
      https://github.com/FriendsOfPHP/security-advisories/blob/master/spatie/schema-org/2026-04-20.yaml
  - url: 'https://github.com/spatie/schema-org/releases/tag/4.0.2'
  - url: 'https://github.com/advisories/GHSA-hwmc-r6mf-jh83'
tags:
  - ghsa
  - composer
ingestedAt: '2026-07-01T19:15:59.918Z'
---

## Overview

Schema.org has a cross-site scripting (XSS) vulnerability via script break-out in toScript() output.

## Affected packages

- `spatie/schema-org >= 3.23.1, < 3.23.2`
- `spatie/schema-org >= 4.0.0, < 4.0.2`

## Remediation

Upgrade to a patched release:

- `spatie/schema-org 3.23.2`
- `spatie/schema-org 4.0.2`