CVE-2025-58054

Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of chat channel titles and chat thread titles via the quote message functionality when using the rich text editor. This issue is fixed in version 3.5.1.

CVSS v3 3.5 LOW

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/discourse/discourse/commit/3a224fd546d894ee408e7414b6879e814a792f91	Patch
https://github.com/discourse/discourse/security/advisories/GHSA-7p47-8m82-m2vf	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse:::::stable:::*
	cpe:2.3:a:discourse:discourse:::::beta:::*
	cpe:2.3:a:discourse:discourse:3.6.0:beta1:::beta:::*

History

19 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) Discourse es una plataforma de discusión comunitaria de código abierto. Las versiones 3.5.0 e inferiores son vulnerables a ataques XSS a través del análisis y la representación de títulos de canales de chat y títulos de hilos de chat mediante la funcionalidad de citar mensajes al usar el editor de texto enriquecido. Este problema está solucionado en la versión 3.5.1.

Information

Published : 2025-10-01 19:15

Updated : 2026-10-19 17:10

NVD link : CVE-2025-58054

Mitre link : CVE-2025-58054

CVE.ORG link : CVE-2025-58054

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-80

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

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