CVE-2025-48053
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.
- Affected products
- Discourse
- Discourse
- < 3.4.4, 3.5.0
- Fix
- Available
- CVSS 4.0
- 8.7 HIGH
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.3% (24th percentile)
- Weakness
- CWE-400, CWE-770
- NVD status
- Analyzed
- Published
- 2025-06-09
CVE-2025-48053 at NVD
No indexed exploits for CVE-2025-48053 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2025-48053 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.