CVE-2023-43659

Discourse is an open source platform for community discussion. Improper escaping of user input allowed for Cross-site Scripting attacks via the digest email preview UI. This issue only affects sites with CSP disabled. This issue has been patched in the 3.1.1 stable release as well as the...

CVE-2023-45131

Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for...

CVE-2021-41082

Discourse is a platform for community discussion. In affected versions any private message that includes a group had its title and participating user exposed to users that do not have access to the private messages. However, access control for the private messages was not compromised as users wer...

CVE-2021-41163

Discourse is an open source platform for community discussion. In affected versions maliciously crafted requests could lead to remote code execution. This resulted from a lack of validation in subscribeurl values. This issue is patched in the latest stable, beta and tests-passed versions of...

CVE-2025-23023

Discourse is an open source platform for community discussion. In affected versions an attacker can carefully craft a request with the right request headers to poison the anonymous cache for example, the cache may have a response with missing preloaded data. This issue only affects anonymous...

BIT-DISCOURSE-2025-64528 Users are able to find users by name even when `enable_names` is off

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

Discourse 2025.11.x < 2025.11.1 Information Disclosure Vulnerability

Discourse is prone to an information disclosure vulnerability. SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Discourse < 3.5.3 Information Disclosure Vulnerability

Discourse is prone to an information disclosure vulnerability. SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

CVE-2025-64528

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

CVE-2025-64528

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

EUVD-2025-205817

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

CVE-2025-64528

CVE-2025-64528 affects Discourse prior to versions 3.5.3, 2025.11.1, and 2025.12.0. An attacker who knows part of a username can discover the user and their full name via UI or API, even when enable_names is disabled. The issue is confirmed across multiple sources (NVD, Red Hat, OSV, OpenVAS, etc...

CVE-2025-64528 Users are able to find users by name even when `enable_names` is off

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

CVE-2025-64528 Users are able to find users by name even when `enable_names` is off

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

CVE-2025-64528 Users are able to find users by name even when `enable_names` is off

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

Discourse 安全漏洞

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. A security vulnerability exists in Discourse versions prior to 3.5.3, prior to 2025.11.1, and prior to 2025.12.0, which stems from an...

PT-2025-54189

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 3.5.3 Discourse versions prior to 2025.11.1 Discourse versions prior to 2025.12.0 Description Discourse is an open source discussion platform. An attacker who knows part of a username can find the user and their ful...

CVE-2025-64528: Exposure of Sensitive Information Through Data Queries

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 enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...

aleksis-app-alsijil (>=3.0.0, <=3.0.1), aleksis-app-chronos (>=3.0.0, <=3.0.2) +18 more potentially affected by CVE-2025-65430 via django-allauth (0.56.1)

django-allauth PYPI version 0.56.1 is affected by a known vulnerability. The following packages have a transitive dependency on django-allauth and may be impacted: - aleksis-app-alsijil =3.0.0, =3.0.0, =3.0.0, =2.0.0, =0.2.0, =0.5.0, =3.0.0, =3.1.0 - aleksis-app-stoelindeling 2.0.0 and more Sourc...

Framing the Hacker: Media Representations and Public Discourse in Germany

This paper examines how the figure of the hacker is portrayed in German mainstream media and explores the impact of media framing on public discourse. Through a longitudinal content analysis of 301 articles from four of the most widely circulated German newspapers Die Zeit, S�ddeutsche Zeitung,...