CVE-2024-27085 Denial of service through invites in Discourse

Discourse is an open source platform for community discussion. In affected versions users that are allowed to invite others can inject arbitrarily large data in parameters used in the invite route. The problem has been patched in the latest version of Discourse. Users are advised to upgrade. User...

CVE-2024-27085 Denial of service through invites in Discourse

Discourse is an open source platform for community discussion. In affected versions users that are allowed to invite others can inject arbitrarily large data in parameters used in the invite route. The problem has been patched in the latest version of Discourse. Users are advised to upgrade. User...

CVE-2024-27100 Denial of service via Staff Actions in Discourse

Discourse is an open source platform for community discussion. In affected versions the endpoints for suspending users, silencing users and exporting CSV files weren't enforcing limits on the sizes of the parameters that they accept. This could lead to excessive resource consumption which could...

CVE-2024-27100

CVE-2024-27100 affects Discourse. The vulnerability lies in the endpoints for suspending users, silencing users, and exporting CSV files which do not enforce limits on parameter sizes, enabling potential excessive resource consumption that could render an instance inoperable. Impact is described ...

CVE-2024-28242 Disclosure of the existence of secret categories with custom backgrounds in Discourse

Discourse is an open source platform for community discussion. In affected versions an attacker can learn that secret categories exist when they have backgrounds set. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are advised to upgrade. Users unable ...

CVE-2024-28242

Discourse (open source platform) is affected by CVE-2024-28242: an attacker can learn that secret categories exist when category backgrounds are set. Root cause is exposure via background metadata in affected versions. The issue is fixed in the latest stable, beta, and tests-passed Discourse rele...

CVE-2024-24748 Disclosure of the existence of secret subcategories in Discourse

Discourse is an open source platform for community discussion. In affected versions an attacker can learn that a secret subcategory exists under a public category which has no public subcategories. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are...

CVE-2024-24748 Disclosure of the existence of secret subcategories in Discourse

Discourse is an open source platform for community discussion. In affected versions an attacker can learn that a secret subcategory exists under a public category which has no public subcategories. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are...

CVE-2024-24748

CVE-2024-24748 affects Discourse. The vulnerability allows an attacker to learn that a secret subcategory exists under a public category that has no public subcategories. The issue is mitigated by upgrading to the latest stable, beta, or tests-passed Discourse release, as documented in multiple a...

CVE-2024-24748 Disclosure of the existence of secret subcategories in Discourse

Discourse is an open source platform for community discussion. In affected versions an attacker can learn that a secret subcategory exists under a public category which has no public subcategories. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are...

BIT-DISCOURSE-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...

BIT-DISCOURSE-2021-37703 Information exposure in Discourse

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...

BIT-DISCOURSE-2021-39161 Cross-site scripting via category name in Discourse

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...

BIT-DISCOURSE-2021-41095 XSS via blocked watched word in error message

Discourse is an open source discussion platform. There is a cross-site scripting XSS vulnerability in versions 2.7.7 and earlier of the stable branch, versions 2.8.0.beta6 and earlier of the beta branch, and versions 2.8.0.beta6 and earlier of the tests-passed branch. Rendering of some error...

BIT-DISCOURSE-2021-41163 RCE via malicious SNS subscription payload

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...

BIT-DISCOURSE-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...

BIT-DISCOURSE-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...

BIT-DISCOURSE-2022-21678 User's bio visible even if profile is restricted in Discourse

Discourse is an open source discussion platform. Prior to version 2.8.0.beta11 in the tests-passed branch, version 2.8.0.beta11 in the beta branch, and version 2.7.13 in the stable branch, the bios of users who made their profiles private were still visible in the tags on their users' pages. The...

BIT-DISCOURSE-2022-23546 Discourse vulnerable to private topic leak via email#send_digest

In version 2.9.0.beta14 of Discourse, an open-source discussion platform, maliciously embedded urls can leak an admin's digest of recent topics, possibly exposing private information. A patch is available for version 2.9.0.beta15. There are no known workarounds for this issue...

BIT-DISCOURSE-2022-23548

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch, parsing posts can be susceptible to regular expression denial of service ReDoS attacks. This issue is patched in version 2.8.14. There are no known workarounds...