CVE-2022-24804

CVE-2022-24804 affects Discourse where, in stable versions before 2.8.3 and beta versions before 2.9.0.beta4, the name of a group with restricted visibility can be leaked to any user who can see a category that uses that group for permissions. The underlying issue is an information disclosure in ...

CVE-2022-21642

Discourse is an open source platform for community discussion. In affected versions when composing a message from topic the composer user suggestions reveals whisper participants. The issue has been patched in stable version 2.7.13 and beta version 2.8.0.beta11. There is no workaround for this...

Design/Logic Flaw

Discourse is an open source platform for community discussion. In affected versions when composing a message from topic the composer user suggestions reveals whisper participants. The issue has been patched in stable version 2.7.13 and beta version 2.8.0.beta11. There is no workaround for this...

CVE-2022-21642 Exposure of whisper participants in discourse

Discourse is an open source platform for community discussion. In affected versions when composing a message from topic the composer user suggestions reveals whisper participants. The issue has been patched in stable version 2.7.13 and beta version 2.8.0.beta11. There is no workaround for this...

CVE-2021-43850

Discourse is an open source platform for community discussion. In affected versions admins users can trigger a Denial of Service attack via the /message-bus/diagnostics path. The impact of this vulnerability is greater on multisite Discourse instances where multiple forums are served from a singl...

CVE-2021-43850 Denial of Service in discourse

Discourse is an open source platform for community discussion. In affected versions admins users can trigger a Denial of Service attack via the /message-bus/diagnostics path. The impact of this vulnerability is greater on multisite Discourse instances where multiple forums are served from a singl...

CVE-2021-41271

Discourse is a platform for community discussion. In affected versions a maliciously crafted request could cause an error response to be cached by intermediate proxies. This could cause a loss of confidentiality for some content. This issue is patched in the latest stable, beta and tests-passed...

CVE-2021-41271

Discourse is a platform for community discussion. In affected versions a maliciously crafted request could cause an error response to be cached by intermediate proxies. This could cause a loss of confidentiality for some content. This issue is patched in the latest stable, beta and tests-passed...

Discourse Injection Vulnerability

Discourse is an open source community discussion platform that includes community, email, and chat room features. The platform includes community, email, and chat room features.An injection vulnerability exists in Discourse, which stems from a lack of validation in the user-controllable...

CVE-2021-41163

Discourse is an open source platform for community discussion. In affected versions maliciously crafted requests could lead to remote code execution. This resulted from a lack of validation in subscribeurl values. This issue is patched in the latest stable, beta and tests-passed versions of...

Remote code execution

Discourse is an open source platform for community discussion. In affected versions maliciously crafted requests could lead to remote code execution. This resulted from a lack of validation in subscribeurl values. This issue is patched in the latest stable, beta and tests-passed versions of...

CVE-2021-41082

Discourse is a platform for community discussion. In affected versions any private message that includes a group had its title and participating user exposed to users that do not have access to the private messages. However, access control for the private messages was not compromised as users wer...

CVE-2021-41082

CVE-2021-41082 affects the Discourse platform. In affected versions, the title and participating users of a private message that includes a group could be exposed to users without access to that private message. The issue is an information-disclosure in group-private messages, not a full message-...

CVE-2021-39161

Discourse is an open source platform for community discussion. In affected versions category names can be used for Cross-site scriptingXSS attacks. This is mitigated by Discourse's default Content Security Policy and this vulnerability only affects sites which have modified or disabled or changed...

CVE-2021-37703

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed...

CVE-2021-37693

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email...

Design/Logic Flaw

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email...

Design/Logic Flaw

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed...

CVE-2021-37703

Discourse information exposure CVE-2021-37703 affects Discourse before versions 2.7.8 and 2.8.0.beta5, where a user’s read state for a topic (e.g., last read post number and notification level) is exposed. Consequence: potential disclosure of read-state data. Remediation: upgrade to patched relea...

CVE-2021-37693 Re-use of email tokens in Discourse

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email...