CVE-2023-22455

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

CVE-2023-22454

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2023-22453

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the /u/username.json endpoint. The issue...

BIT-DISCOURSE-2022-23549 Discourse vulnerable to bypass of post max_length using HTML comments

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, users can create posts with raw body longer than the maxlength site setting by including html comments that are not counted toward the...

BIT-DISCOURSE-2023-22453 Discourse vulnerable to exposure of user post counts per topic to unauthorized users

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the /u/username.json endpoint. The issue...

BIT-DISCOURSE-2023-22454 Discourse vulnerable to Cross-site Scripting through pending post titles descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

Design/Logic Flaw

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, the number of times a user posted in an arbitrary topic is exposed to unauthorized users through the /u/username.json endpoint. The issue...

CVE-2023-22455 Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full...

CVE-2023-22454 Discourse vulnerable to Cross-site Scripting through pending post titles descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, pending post titles can be used for cross-site scripting attacks. Pending posts can be created by unprivileged users when a category has...

CVE-2022-46177 Discourse password reset link can lead to in account takeover if user changes to a new email

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 3.0.0.beta16 on the beta and tests-passed branches, when a user requests for a password reset link email, then changes their primary email, the old reset email is still valid. When the old...

CVE-2022-23548

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service ReDoS attacks. This issue is patched in versions 2.8.14 and...

Design/Logic Flaw

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service ReDoS attacks. This issue is patched in versions 2.8.14 and...

Design/Logic Flaw

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, users can create posts with raw body longer than the maxlength site setting by including html comments that are not counted toward the...

CVE-2022-46168

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta15 on the beta and tests-passed branches, recipients of a group SMTP email could see the email addresses of all other users inside the group SMTP topic. Most of the time this is n...

Design/Logic Flaw

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta15 on the beta and tests-passed branches, recipients of a group SMTP email could see the email addresses of all other users inside the group SMTP topic. Most of the time this is n...

CVE-2022-46168 Group SMTP user emails are exposed in CC email header

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta15 on the beta and tests-passed branches, recipients of a group SMTP email could see the email addresses of all other users inside the group SMTP topic. Most of the time this is n...

CVE-2022-46168

CVE-2022-46168 affects Discourse. Before versions 2.8.14 (stable) and 2.9.0.beta15 (beta/tests-passed), recipients of group SMTP emails could see other users’ email addresses in the group thread. The issue is mitigated by the fixes in 2.8.14 and 2.9.0.beta15, which mask those emails with blind ca...

CVE-2022-46168 Group SMTP user emails are exposed in CC email header

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta15 on the beta and tests-passed branches, recipients of a group SMTP email could see the email addresses of all other users inside the group SMTP topic. Most of the time this is n...

CVE-2022-23548

Discourse is an option source discussion platform. Prior to version 2.8.14 on the stable branch and version 2.9.0.beta16 on the beta and tests-passed branches, parsing posts can be susceptible to regular expression denial of service ReDoS attacks. This issue is patched in versions 2.8.14 and...

PT-2023-14817 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 2.8.14 on the stable branch Discourse versions prior to 3.0.0.beta15 on the beta and tests-passed branches Description: Discourse is an option source discussion platform. When a user requests a password reset link...