CVE-2025-64528

Published: Dic 30, 2025 Last Modified: Feb 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0005
Percentile
0,2th
Updated

EPSS Score Trend (Last 76 Days)

202

Exposure of Sensitive Information Through Data Queries

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Files Or Directories Read Application Data
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Medium
View CWE Details
Application

Discourse by Discourse

Product Information
Vendor Discourse
Product Discourse
Version Range Affected
To 3.5.3 (exclusive)
cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Discourse by Discourse

Product Information
Vendor Discourse
Product Discourse
Version 2025.11.0
cpe:2.3:a:discourse:discourse:2025.11.0:*:*:*:stable:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Discourse by Discourse

Product Information
Vendor Discourse
Product Discourse
Version 2025.12.0
cpe:2.3:a:discourse:discourse:2025.12.0:*:*:*:stable:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/discourse/discourse/commit/1cb45b8b28759…
https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b4…
https://github.com/discourse/discourse/commit/6192f55629624…
https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86ca…
https://github.com/discourse/discourse/commit/e936a523b5900…
https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba1…
https://github.com/discourse/discourse/security/advisories/…
https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4