CVE-2025-48053 | THREATINT

Description

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version 3.5.0.beta6-dev of the `tests-passed` branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance. This issue is patched in version 3.4.4 of the `stable` branch, version 3.5.0.beta5 of the `beta` branch, and version 3.5.0.beta6-dev of the `tests-passed` branch. No known workarounds are available.

PUBLISHED Reserved 2025-05-15 | Published 2025-06-09 | Updated 2025-06-09 | Assigner GitHub_M

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-400: Uncontrolled Resource Consumption

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

< 3.4.4

affected

< 3.5.0.beta5

affected

< 3.5.0.beta6-dev

affected

References

github.com/...course/security/advisories/GHSA-3q5q-qmrm-rvwx

cve.org (CVE-2025-48053)

nvd.nist.gov (CVE-2025-48053)

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