PT-2023-27524 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.1.1 Discourse version 3.2.0.beta1 and earlier in the beta and tests-passed branches Description: A malicious user could add a 2FA or security key with a carefully crafted name to their account, causing a denial o...

Discourse Security Breach

Discourse is an open source community discussion platform. The platform includes features such as communities, e-mail and chat rooms. A security vulnerability exists in Discourse, which stems from a vulnerability that allows an attacker to create an unlimited number of drafts by using a long draf...

Discourse Security Breach

Discourse is an open source community discussion platform. The platform includes features such as communities, email and chat rooms. A security vulnerability exists in versions prior to Discourse 3.1.1 that stems from not enforcing file size or number file limits...

Discourse Security Breach

Discourse is an open source community discussion platform. The platform includes features such as communities, email and chat rooms. A security vulnerability exists in versions prior to Discourse 3.1.1. An attacker exploiting this vulnerability could perform a denial-of-service attack...

Discourse Security Breach

Discourse is an open source community discussion platform. The platform includes community, email and chat room features. A security vulnerability exists in versions prior to Discourse 3.1.1. An attacker exploited the vulnerability to cause a process halt...

The Inability to Simultaneously Verify Sentience, Location, and Identity

Really interesting "systematization of knowledge" paper: "SoK: The Ghost Trilemma" Abstract: Trolls, bots, and sybils distort online discourse and compromise the security of networked platforms. User identity is central to the vectors of attack and manipulation employed in these contexts. However...

Exploit for Uncontrolled Resource Consumption in Discourse

CVE-2023-38408 PoC for the recent critical vuln affecting Open...

Discourse < 3.0.6 Multiple Vulnerabilities

Discourse is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2023 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...

Discourse < 3.0.7 DoS Vulnerability

Discourse is prone to a denial of service DoS vulnerability via defer queue. SPDX-FileCopyrightText: 2023 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 3.1.x < 3.1.0.beta8 DoS Vulnerability

Discourse is prone to a denial of service DoS vulnerability via defer queue. SPDX-FileCopyrightText: 2023 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-2023-38685

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, information about restricted-visibility topic tags could be obtained by unauthorized users. The issue is patched in version 3.0.6 of the stab...

CVE-2023-38684

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, in multiple controller actions, Discourse accepts limit params but does not impose any upper bound on the values being accepted. Without an...

CVE-2023-38498

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, a malicious user can prevent the defer queue from proceeding promptly on sites hosted in the same multisite installation. The issue is patche...

CVE-2023-37904

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, more users than permitted could be created from invite links. The issue is patched in version 3.0.6 of the stable branch and version...

CVE-2023-37906

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, a malicious user can edit a post in a topic and cause a DoS with a carefully crafted edit reason. The issue is patched in version 3.0.6 of th...

Design/Logic Flaw

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, more users than permitted could be created from invite links. The issue is patched in version 3.0.6 of the stable branch and version...

Design/Logic Flaw

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, a malicious user can prevent the defer queue from proceeding promptly on sites hosted in the same multisite installation. The issue is patche...

Input validation

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, in multiple controller actions, Discourse accepts limit params but does not impose any upper bound on the values being accepted. Without an...

Design/Logic Flaw

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, information about restricted-visibility topic tags could be obtained by unauthorized users. The issue is patched in version 3.0.6 of the stab...

Design/Logic Flaw

Discourse is an open source discussion platform. Prior to version 3.0.6 of the stable branch and version 3.1.0.beta7 of the beta and tests-passed branches, a malicious user can edit a post in a topic and cause a DoS with a carefully crafted edit reason. The issue is patched in version 3.0.6 of th...