CVE-2025-48053 Discourse vulnerable to DoS via large URL payload in PM to a bot

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance...

Discourse 安全漏洞

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. A security vulnerability exists in Discourse versions prior to 3.4.4, prior to 3.5.0.beta5, and prior to 3.5.0.beta6-dev, which stems fr...

PT-2025-24434 · Codepen +1 · Codepen +1

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.4.4 Discourse version 3.5.0.beta5 and earlier of the beta branch Discourse version 3.5.0.beta6-dev and earlier of the tests-passed branch Description: Discourse is an open-source discussion platform. In versions...

PT-2025-24431 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.4.4 Discourse version 3.5.0.beta5 and earlier of the beta branch Discourse version 3.5.0.beta6-dev and earlier of the tests-passed branch Description: Discourse is an open-source discussion platform. Sending a...

Discourse 安全漏洞

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. A security vulnerability exists in Discourse versions prior to 3.4.4, prior to 3.5.0.beta5, and prior to 3.5.0.beta6-dev, which stems fr...

PT-2025-24432

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 3.4.4 Discourse version 3.5.0.beta5 and earlier of the beta branch Discourse version 3.5.0.beta6-dev and earlier of the tests-passed branch Description The issue concerns HTML injection in email bodies when the topi...

CVE-2025-47288

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

CVE-2025-47288

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

CVE-2025-47288 Discourse Policy plugin private group members visible

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

CVE-2025-47288 Discourse Policy plugin private group members visible

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

CVE-2025-47288

Affected product: Discourse Policy plugin. Vulnerable: versions prior to 0.1.1. Root cause: a policy posted to a public topic that was tied to a private group could cause group members to be visible to non-group members. Impact: information disclosure of private-group membership (partial confiden...

CVE-2025-47288 Discourse Policy plugin private group members visible

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

Discourse Policy 信息泄露漏洞

Discourse Policy is an open source plugin for Discourse that confirms that a user has seen or done something by alerting them. An information disclosure vulnerability exists in versions prior to Discourse Policy 0.1.1 that stems from not properly handling private group policies, which could lead ...

PT-2025-23195 · Discourse · Discourse Policy Plugin

Name of the Vulnerable Software and Affected Versions: Discourse Policy plugin versions prior to 0.1.1 Description: The issue concerns the Discourse Policy plugin, which allows confirming users have seen or done something. Prior to version 0.1.1, if a policy was posted to a public topic tied to a...

CVE-2024-47772

Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by sending a maliciously crafted chat message and replying to it. This issue only affects sites with CSP disabled. This problem is patched in the latest version of...

CVE-2024-45297

Discourse is an open source platform for community discussion. Users can see topics with a hidden tag if they know the label/name of that tag. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known...

CVE-2024-45303

Discourse Calendar plugin adds the ability to create a dynamic calendar in the first post of a topic to Discourse. Rendering event names can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse’s default Content Security Policy. The issue ...

CVE-2024-21658

discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been...

CVE-2024-21655

Discourse is a platform for community discussion. For fields that are client editable, limits on sizes are not imposed. This allows a malicious actor to cause a Discourse instance to use excessive disk space and also often excessive bandwidth. The issue is patched 3.1.4 and 3.2.0.beta4...

CVE-2024-23654

discourse-ai is the AI plugin for the open-source discussion platform Discourse. Prior to commit 94ba0dadc2cf38e8f81c3936974c167219878edd, interactions with different AI services are vulnerable to admin-initiated SSRF attacks. Versions of the plugin that include commit...