CVE-2023-48297

HIGH7.5EPSS 0.18%

Discourse vulnerable to unlimited mentioned users in message serializer

Published: 3/6/2024Modified: 10/15/2025

Also known as:GHSA-hf2v-r5xm-8p37BIT-discourse-2023-48297

Description

Discourse is a platform for community discussion. The message serializer uses the full list of expanded chat mentions (@all and @here) which can lead to a very long array of users. This issue was patched in versions 3.1.4 and beta 3.2.0.beta5.

Affected packages (1)

Bitnami/discoursefrom 0, < 3.1.4

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (2)

WEBhttps://github.com/discourse/discourse/security/advisories/GHSA-hf2v-r5xm-8p37
WEBhttps://nvd.nist.gov/vuln/detail/CVE-2023-48297