Discourse 2.8.x < 2.8.0.beta9 Multiple Vulnerabilities

Discourse is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2021 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 = "cpe:/a:discourse:discourse"; ifdescripti...

CVE-2021-43794 Anonymous user cache poisoning via development-mode header in Discourse

Discourse is an open source discussion platform. In affected versions an attacker can poison the cache for anonymous i.e. not logged in users, such that the users are shown a JSON blob instead of the HTML page. This can lead to a partial denial-of-service. This issue is patched in the latest...

CVE-2021-43794

CVE-2021-43794 affects Discourse. An attacker can poison the cache for anonymous users, causing a JSON blob to be shown instead of HTML and enabling a partial DoS. Some sources attribute this to cache-poisoning via the development-mode header. The vulnerability is mitigated in the latest stable, ...