brotkrueml/schema fails to properly encode user input for output in HTML context, leading to XSS

MEDIO 5.4CVE-2022-33154 · GHSA-374w-gwqr-fmxg · Published 12/07/2022 · updated 17/06/2026

In breve

CVE-2022-33154 è una vulnerabilità MEDIO (CVSS 5.4) che riguarda brotkrueml/schema, schema (schema project).
Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.52%, superiore al 44.2% delle vulnerabilità.
Correzione: aggiornare a 2.5.1, 1.13.1 o successiva.

Package	Affected versions	Patched versions
brotkrueml/schema Packagist	`≥ 2.0.0, < 2.5.1< 1.13.1`	`2.5.11.13.1`
schema schema_project	`≥ 2.0.0, < 2.5.1< 1.13.1`	`2.5.11.13.1`

The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.

NVD description

The schema (aka Embedding schema.org vocabulary) extension before 1.13.1 and 2.x before 2.5.1 for TYPO3 allows XSS.

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