CVE-2023-45806: Inefficient Regular Expression Complexity

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, if a user has been quoted and uses a | in their full name, they might be able to trigger a bug that generates a lot of duplicat...

CVE-2023-47121: Server-Side Request Forgery (SSRF)

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, the embedding feature is susceptible to server side request forgery. The issue is patched in version 3.1.3 of the stable branch...

CVE-2023-47120: Allocation of Resources Without Limits or Throttling

Discourse is an open source platform for community discussion. In versions 3.1.0 through 3.1.2 of the stable branch and versions 3.1.0,beta6 through 3.2.0.beta2 of the beta and tests-passed branches, Redis memory can be depleted by crafting a site with an abnormally long favicon URL and drafting...

CVE-2023-46130: Allocation of Resources Without Limits or Throttling

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, some theme components allow users to add svgs with unlimited height attributes, and this can affect the availability of...

CVE-2023-45816: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, there is an edge case where a bookmark reminder is sent and an unread notification is generated, but the underlying bookmarkabl...

PT-2023-30322 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.1.3 Discourse version 3.2.0.beta3 and earlier of the beta and tests-passed branches Description: Discourse is an open source platform for community discussion. The issue allows some links to inject arbitrary HTML...

CVE-2023-47119: Improper Neutralization of Special Elements in Output Used by a Downstream Component

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, some links can inject arbitrary HTML tags when rendered through our Onebox engine. The issue is patched in version 3.1.3 of the...

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 Discourse prior to version 3.1.3, which stems from the fact that certain links can be injected with arbitrary HTML tags when rendered by the...

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 Discourse prior to version 3.1.3, which stems from a special case that prevents users from accessing the underlying resources...

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 Discourse prior to version 3.1.3, which stems from a theme component that allows users to add svg images with an unlimited "height"...

BIT-2023-45147

Discourse is an open source community platform. In affected versions any user can create a topic and add arbitrary custom fields to a topic. The severity of this vulnerability depends on what plugins are installed and how the plugins uses topic custom fields. For a default Discourse installation...

discourse-sso-oidc-bridge-consideratio (>=0.1.8, <=0.1.9), enochecker (0.0.5) +7 more potentially affected by CVE-2023-46136 via werkzeug (0.15.2)

werkzeug PYPI version 0.15.2 is affected by a known vulnerability. The following packages have a transitive dependency on werkzeug and may be impacted: - discourse-sso-oidc-bridge-consideratio =0.1.8, =0.0.2, =1.0.22, =1.0.28.3 Source cves: CVE-2023-46136 Source advisory: OSV:PYSEC-2023-221...

BIT-2023-43814

Discourse is an open source platform for community discussion. Attackers with details specific to a poll in a topic can use the /polls/groupedpollresults endpoint to view the content of options in the poll and the number of votes for groups of poll participants. This impacts private polls where t...

BIT-2023-44388

Discourse is an open source platform for community discussion. A malicious request can cause production log files to quickly fill up and thus result in the server running out of disk space. This problem has been patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. It is possible to...

Discourse 3.1.x < 3.1.3, 3.2.x < 3.2.0.beta3 DoS Vulnerability

Discourse is prone to a denial of service DoS vulnerability. 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"...

Discourse 3.1.x <= 3.1.1, 3.2.0.beta1 Unauthorized Access Vulnerability

Discourse is prone to an unauthorized access vulnerability. 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";...

Discourse <= 3.1.1, 3.2.0.beta1 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...

BIT-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-2023-43659

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-2023-43814

Discourse is an open source platform for community discussion. Attackers with details specific to a poll in a topic can use the /polls/groupedpollresults endpoint to view the content of options in the poll and the number of votes for groups of poll participants. This impacts private polls where t...