PT-2023-23712 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.0.4 Discourse version 3.1.0.beta5 and earlier in the beta and tests-passed branches Description: Discourse is an open source discussion platform. Multiple duplicate topics could be created if topic embedding is...

Information disclosure

Discourse-reactions is a plugin that allows user to add their reactions to the post in the Discourse messaging platform. In affected versions data about what reactions were performed on a post in a private topic could be leaked. This issue has been addressed in version 0.3. Users are advised to...

Discourse 信息泄露漏洞

Discourse is an open source community discussion platform. The platform includes features such as communities, email and chat rooms. An information disclosure vulnerability exists in versions prior to Discourse reactions 0.3, which stems from the presence of an information disclosure...

CVE-2023-29196 HTML injection via topic embedding in Discourse

Discourse is an open source platform for community discussion. This vulnerability is not exploitable on the default install of Discourse. A custom feature must be enabled for it to work at all, and the attacker’s payload must pass the CSP to be executed. However, if an attacker succeeds in...

Discourse 资源管理错误漏洞

Discourse is an open source community discussion platform. The platform includes features such as communities, email, and chat rooms. A resource management error vulnerability exists in Discourse, which stems from the fact that a malicious request from a Discourse administrator could cause the...

PT-2023-21723 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.0.3 Discourse versions prior to 3.1.0.beta4 Description: Discourse is an open source platform for community discussion. A maliciously crafted request from a Discourse administrator can lead to a long-running...

CVE-2023-28107 Discourse vulnerable to multisite DoS by spamming backups

Discourse is an open-source discussion platform. Prior to version 3.0.2 of the stable branch and version 3.1.0.beta3 of the beta and tests-passed branches, a user logged as an administrator can request backups multiple times, which will eat up all the connections to the DB. If this is done on a...

CVE-2023-28107 Discourse vulnerable to multisite DoS by spamming backups

Discourse is an open-source discussion platform. Prior to version 3.0.2 of the stable branch and version 3.1.0.beta3 of the beta and tests-passed branches, a user logged as an administrator can request backups multiple times, which will eat up all the connections to the DB. If this is done on a...

CVE-2023-23935 Presence of restricted personal Discourse messages may be leaked if tagged with a tag

Discourse is an open-source messaging platform. In versions 3.0.1 and prior on the stable branch and versions 3.1.0.beta2 and prior on the beta and tests-passed branches, the count of personal messages displayed for a tag is a count of all personal messages regardless of whether the personal...

CVE-2023-23624 Discourse's exclude_tags param could leak which topics had a specific hidden tag

Discourse is an open-source discussion platform. Prior to version 3.0.1 on the stable branch and version 3.1.0.beta2 on the beta and tests-passed branches, someone can use the excludetag param to filter out topics and deduce which ones were using a specific hidden tag. This affects any Discourse...

Discourse 信息泄露漏洞

Discourse is an open source community discussion platform. The platform includes community, email and chat room features. An information disclosure vulnerability exists in Discourse versions prior to 3.0.1 stable, and prior to 3.1.0.beta2 beta and test-passed. An attacker exploiting this...

CVE-2023-23616 Discourse membership requests lack character limit

Discourse is an open-source discussion platform. Prior to version 3.0.1 on the stable branch and 3.1.0.beta2 on the beta and tests-passed branches, when submitting a membership request, there is no character limit for the reason provided with the request. This could potentially allow a user to...

CVE-2023-22739 Discourse subject to Allocation of Resources Without Limits or Throttling

Discourse is an open source platform for community discussion. Versions prior to 3.0.1 stable, 3.1.0.beta2 beta, and 3.1.0.beta2 tests-passed are subject to Allocation of Resources Without Limits or Throttling. As there is no limit on data contained in a draft, a malicious user can create an...

PT-2023-18680 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.0.1 Discourse version 3.1.0.beta2 and earlier Description: Discourse is an open source platform for community discussion. The issue is related to Allocation of Resources Without Limits or Throttling, where a...

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-2022-46177 Discourse password reset link can lead to in account takeover if user changes to a new email

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...

Discourse 跨站脚本漏洞

Discourse is an open source community discussion platform. The platform includes community, email, and chat room features. Discourse suffers from a cross-site scripting vulnerability that stems from its tag descriptions that can be updated by moderators allowing an attacker to implement cross-sit...

CVE-2022-23548

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service ReDoS attacks. This issue is patched in versions 2.8.14 and...

Discourse 信息泄露漏洞

Discourse is an open source community discussion platform. The platform includes features such as communities, email and chat rooms. An information disclosure vulnerability exists in Discourse version 2.9.0.beta14. An attacker exploited the vulnerability to expose private information...

Discourse 跨站脚本漏洞

Discourse is an open source community discussion platform. The platform includes community, email and chat room features. Discourse suffers from a cross-site scripting vulnerability that stems from its pending post titles allowing an attacker to implement cross-site scripting. When a category has...