CVE-2023-48297

Discourse vulnerable to unlimited mentioned users in message serializer

Published Jan 12, 2024 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-52358 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 17, 2025, 9:09 PM
Reserved
Nov 14, 2023, 5:41 PM
Status
Modified
Published
Jan 12, 2024, 9:15 PM
Modified
Jun 17, 2026, 6:33 AM