PT-2024-22357 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to the latest stable, beta and tests-passed version Description: The issue allows an attacker to discover the existence of secret categories when they have backgrounds set. This is a problem in an open source platform...

Discourse Security Breach

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. An attacker exploiting the vulnerability could learn about the existence of a secret category when setting a contex...

Discourse Security Breach

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 use of parameters that allow the injection of arbitrarily large amounts of data...

Discourse Security Breach

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. An attacker exploiting the vulnerability could learn about secret subcategories that exist under public categories...

Discourse 安全漏洞

Discourse is an open source community discussion platform. The platform includes features such as community, email and chat rooms. Discourse suffers from a denial of service vulnerability that stems from the POST /uploads endpoint not being rate-limited. An attacker could exploit this vulnerabili...

Discourse Security Breach

Discourse is an open source community discussion platform. The platform includes community, email, and chat room features. A security vulnerability exists in Discourse, which stems from the fact that endpoints used to suspend users, silence users, and export CSV files do not enforce limits on the...

PT-2024-20593 · Nginx +1 · Nginx +1

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to the latest stable, beta and tests-passed version Description: The issue affects Discourse, an open source platform for community discussion, due to the lack of a rate limit on the "POST /uploads" endpoint. This mak...

PT-2024-20527 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to the latest stable, beta and tests-passed version Description: The issue allows an attacker to discover the existence of a secret subcategory under a public category with no public subcategories. There are no known...

BIT-DISCOURSE-2020-24327

Server Side Request Forgery SSRF vulnerability exists in Discourse 2.3.2 and 2.6 via the email function. When writing an email in an editor, you can upload pictures of remote websites...

BIT-DISCOURSE-2021-3138

In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms...

BIT-DISCOURSE-2021-32764 YouTube Onebox susceptible to XSS

Discourse is an open-source discussion platform. In Discourse versions 2.7.5 and prior, parsing and rendering of YouTube Oneboxes can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. The issue is...

BIT-DISCOURSE-2021-32788 Post creator of a whisper post can be revealed to non-staff users in Discourse

Discourse is an open source discussion platform. In versions prior to 2.7.7 there are two bugs which led to the post creator of a whisper post being revealed to non-staff users. 1: Staff users that creates a whisper post in a personal message is revealed to non-staff participants of the personal...

BIT-DISCOURSE-2021-37633 XSS via d-popover and d-html-popover attribute

Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest...

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-2021-41163 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-2021-41271 Cache poisoning via maliciously-formed request in discourse

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...

BIT-DISCOURSE-2021-43792 Notifications leak in Discourse

Discourse is an open source discussion platform. In affected versions a vulnerability affects users of tag groups who use the "Tags are visible only to the following groups" feature. A tag group may only allow a certain group e.g. staff to view certain tags. Users who were tracking or watching th...

BIT-DISCOURSE-2021-43793 Bypass of Poll voting limits in Discourse

Discourse is an open source discussion platform. In affected versions a vulnerability in the Polls feature allowed users to vote multiple times in a single-option poll. The problem is patched in the latest tests-passed, beta and stable versions of Discourse...

BIT-DISCOURSE-2021-43794 Anonymous user cache poisoning via development-mode header in Discourse

Discourse is an open source discussion platform. In affected versions an attacker can poison the cache for anonymous i.e. not logged in users, such that the users are shown a JSON blob instead of the HTML page. This can lead to a partial denial-of-service. This issue is patched in the latest...