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CVE-2024-53851

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CVE-2024-53851

Published: Feb 4, 2025

Modified: Feb 4, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

Discourse is an open source platform for community discussion. In affected versions the endpoint for generating inline oneboxes for URLs wasn't enforcing limits on the number of URLs that it accepted, allowing a malicious user to inflict denial of service on some parts of the app. This vulnerability is only exploitable by authenticated users. This issue has been patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. Users unable to upgrade should turn off the `enable inline onebox on all domains` site setting and remove all entries from the `allowed inline onebox domains` site setting.

VendorProductVersions

discourse

discourse

affected
stable: <= 3.3.2
affected
beta: <= 3.4.0.beta3
affected
tests-passed: <= 3.4.0.beta3

Weaknesses (CWE)

CWE-400

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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