CVE-2025-48877

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version 3.5.0.beta6-dev of the `tests-passed` branch, Codepen is present in the default `allowed_iframes` site setting, and it can potentially auto-run arbitrary JS in the iframe scope, which is unintended. This issue is patched in version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version 3.5.0.beta6-dev of the `tests-passed` branch. As a workaround, the Codepen prefix can be removed from a site's `allowed_iframes`.

CVSS

No CVSS.

References

Link	Resource
https://github.com/discourse/discourse/security/advisories/GHSA-cm93-6m2m-cjcv

Configurations

No configuration.

History

12 Jun 2025, 16:06

Type	Values Removed	Values Added
Summary		(es) Discourse es una plataforma de discusión de código abierto. En versiones anteriores a la 3.4.4 de la rama `stable`, la 3.5.0.beta5 de la rama `beta` y la 3.5.0.beta6-dev de la rama `tests-passed`, Codepen está presente en la configuración predeterminada del sitio `allowed_iframes` y puede ejecutar automáticamente código JavaScript arbitrario en el ámbito de los iframes, lo cual no es intencionado. Este problema se ha corregido en la 3.4.4 de la rama `stable`, la 3.5.0.beta5 de la rama `beta` y la 3.5.0.beta6-dev de la rama `tests-passed`. Como solución alternativa, se puede eliminar el prefijo Codepen de los `allowed_iframes` de un sitio.

09 Jun 2025, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-06-09 13:15

Updated : 2025-06-12 16:06

NVD link : CVE-2025-48877

Mitre link : CVE-2025-48877

CVE.ORG link : CVE-2025-48877

JSON object : View

Products Affected

No product.

CWE

CWE-1038

Insecure Automated Optimizations

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