PT-2023-1610 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.0.1 on the stable branch Discourse versions prior to 3.1.0.beta2 on the beta and tests-passed branches Description: The issue is related to the use of a regular expression with inefficient computational complexit...

Vulnerabilities fixed in Discourse

Vulnerabilities have been fixed in Discourse. The vulnerabilities allow a malicious person to perform attacks that lead to the following categories of damage: Cross-Site Scripting XSS. Manipulation of data Access to system data When the "Mermaid" component is in use, there is also the possibility...

Discourse < 3.0.0.beta16 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 2.9.0.beta14 Information Disclosure Vulnerability (GHSA-q9jp-xv4g-328f)

Discourse is prone to an information disclosure 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 =...

CVE-2023-22455

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

Cross site scripting

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

CVE-2023-22454

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2022-46177

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, when a user requests for a password reset link email, then changes their primary email, the old reset email is still valid. When the old...

CVE-2023-22453

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the /u/username.json endpoint. The issue...

Default credentials

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, when a user requests for a password reset link email, then changes their primary email, the old reset email is still valid. When the old...

Design/Logic Flaw

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the /u/username.json endpoint. The issue...

Cross site scripting

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2023-22455 Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

CVE-2023-22455

Discourse (open-source discussion platform) is affected by CVE-2023-22455 through tag descriptions that moderators can update, enabling cross-site scripting (XSS) on sites with relaxed Content Security Policy. Affected: versions prior to 2.8.14 (stable) and prior to 3.0.0.beta16 (beta/tests-passe...

CVE-2023-22455 Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

CVE-2023-22455 Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

CVE-2023-22454 Discourse vulnerable to Cross-site Scripting through pending post titles descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2023-22454

Discourse is affected by a Cross-Site Scripting (XSS) vulnerability (CVE-2023-22454) where pending post titles can be crafted by unprivileged users in categories that require moderator approval, potentially leading to full XSS on sites with relaxed CSP. The issue is addressed in patches for stabl...

CVE-2023-22454 Discourse vulnerable to Cross-site Scripting through pending post titles descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2023-22454 Discourse vulnerable to Cross-site Scripting through pending post titles descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...