CVE-2025-64528 (GCVE-0-2025-64528)

Vulnerability from cvelistv5 – Published: 2025-12-30 16:04 – Updated: 2025-12-30 18:11
VLAI?
Title
Users are able to find users by name even when `enable_names` is off
Summary
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.
Severity ?
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
CWE
  • CWE-202 - Exposure of Sensitive Information Through Data Queries
Assigner
References
Impacted products
Vendor Product Version
discourse discourse Affected: < 3.5.3
Affected: >= 2025.11.0-latest, < 2025.11.1
Affected: >= 2025.12.0-latest, < 2025.12.0
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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