CVEvulnerability
CVE-2025-64528
6.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-12-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.3 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-202
Description
Discourse is an open source discussion platform. Prior to versions 3.5.3, 2025.11.1, and 2025.12.0, an attacker who knows part of a username can find the user and their full name via UI or API, even when `enable_names` is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix.
Affected configurations
• discourse discourse (< 3.5.3)
• discourse discourse 2025.11.0
• discourse discourse 2025.12.0
Related
Weakness · CWE (1)
- CWE-202 Exposure of Sensitive Information Through Data Queries weakness
References
- https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81 Patch
- https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df Patch
- https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2 Patch
- https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4 Third Party Advisory