CVSS 3.1 Score 4.3 of 10 (medium)


Published Jan 12, 2024
Updated: Jan 25, 2024
CWE ID 400
CWE ID 770


CVE-2024-21655 is a vulnerability affecting Discourse, a platform for community discussion. It allows a malicious actor to cause excessive disk space usage and bandwidth consumption on a Discourse instance by exploiting the lack of size limits on client-editable fields. The issue has been patched in versions 3.1.4 and 3.2.0.beta4. This vulnerability poses a medium-level risk to organizations as it can lead to resource exhaustion and potentially impact the availability of the affected system.

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