CVE-2023-37467

Discourse is an open source discussion platform. Prior to version 3.1.0.beta7 of the beta and tests-passed branches, a CSP Content Security Policy nonce reuse vulnerability was discovered could allow cross-site scripting XSS attacks to bypass CSP protection for anonymous i.e. unauthenticated user...

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, which stems from the fact that information about restricted visibility topic tags could be accessed by an...

Discourse 安全漏洞

Discourse is an open source community discussion platform. The platform includes features such as communities, email and chat rooms. Discourse suffers from a security vulnerability that stems from the ability of a malicious user to edit posts in a thread and trigger a DoS with a carefully crafted...

Discourse 安全漏洞

Discourse is an open source community discussion platform. The platform includes community, email, and chat room features. A security vulnerability exists in Discourse that originates from a malicious user being able to prevent a delayed queue from proceeding quickly on sites hosted in the same...

Discourse 竞争条件问题漏洞

Discourse is an open source community discussion platform. The platform includes community, email, and chat room features. Discourse suffers from a competitive conditions issue vulnerability that arises from the ability to create more users than allowed via an invitation link...

PT-2023-25709 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to the version containing commit 52b003d915 Description: Discourse is an open source discussion platform. A request to create or update a custom sidebar section can cause a denial of service. Recommendations: For...

Design/Logic Flaw

Discourse is an open source discussion platform. Prior to version 3.0.4 of the stable branch and version 3.1.0.beta5 of the beta and tests-passed branches, multiple duplicate topics could be created if topic embedding is enabled. This issue is patched in version 3.0.4 of the stable branch and...

CVE-2023-32301 Discourse's canonical url not being used for topic embeddings

Discourse is an open source discussion platform. Prior to version 3.0.4 of the stable branch and version 3.1.0.beta5 of the beta and tests-passed branches, multiple duplicate topics could be created if topic embedding is enabled. This issue is patched in version 3.0.4 of the stable branch and...

CVE-2023-32301 Discourse's canonical url not being used for topic embeddings

Discourse is an open source discussion platform. Prior to version 3.0.4 of the stable branch and version 3.1.0.beta5 of the beta and tests-passed branches, multiple duplicate topics could be created if topic embedding is enabled. This issue is patched in version 3.0.4 of the stable branch and...

CVE-2023-31142 Discourse's general category permissions could be set back to default

Discourse is an open source discussion platform. Prior to version 3.0.4 of the stable branch and version 3.1.0.beta5 of the beta and tests-passed branches, if a site has modified their general category permissions, they could be set back to the default. This issue is patched in version 3.0.4 of t...

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...

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...

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...

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...