EUVD-2023-2520

Malicious code in bioql PyPI...

CVE-2022-39840

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message DM...

CVE-2020-14459

An issue was discovered in Mattermost Server before 5.19.0. Attackers can rename a channel and cause a collision with a direct message, aka MMSA-2020-0002...

CVE-2025-32376

Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable...

CVE-2025-32376

CVE-2025-32376 affects Discourse, where the DM limit enforcement could be bypassed. Affected versions are Discourse stable < 3.4.3 and beta

CVE-2025-32376 Discourse DM limits aren’t always properly enforced

Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable...

CVE-2025-27149 Zulip exports can leak private data

Zulip server provides an open-source team chat that helps teams stay productive and focused. Prior to 10.0, the data export to organization administrators feature in Zulip leaks private data. The collection of user-agent types identifying specific integrations or HTTP libraries E.g.,...

CVE-2025-24808 Discourse has race condition when adding users to a group DM

Discourse is an open-source discussion platform. Prior to versions 3.3.4 on the stable branch and 3.4.0.beta5 on the beta branch, someone who is about to reach the limit of users in a group DM may send requests to add new users in parallel. The requests might all go through ignoring the limit due...

CVE-2025-24808

Summary: Discourse is affected by a race condition in the add_users_to_channel flow when adding users to a group DM, potentially bypassing the group size limit. Affected versions: before 3.3.4 on the stable branch and before 3.4.0.beta5 on the beta branch. Root cause: lack of proper synchronizati...

Discourse security vulnerabilities

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 stable prior to version 3.3.4 and beta prior to version 3.4.0.beta5, which stems from the...

CVE-2024-20301

creationtimestamp| type| source ---|---|--- 2024-03-08 01:16:21+00:00| seen| https://t.me/arpsyndicate/4134...

CVE-2023-36123

creationtimestamp| type| source ---|---|--- 2023-09-07 12:29:43+00:00| published-proof-of-concept| https://t.me/GithubRedTeam/5095 2023-10-07 07:13:59+00:00| seen| https://t.me/cibsecurity/71771...

CVE-2022-39840

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message DM...

Cross site scripting

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message DM...

CVE-2022-39840

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message DM...

CVE-2022-39840

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message DM...

CVE-2022-39840

CVE-2022-39840 affects Cotonti Siena 0.9.20, enabling stored XSS via direct messages (DM). Impact: admin-level content processing could be manipulated to execute scripts; CVSS 3.1 base score 4.8 (MEDIUM) with network vector, low attack complexity, user interaction required. Root cause details are...

CVE-2022-39840: Improper Neutralization of Input During Web Page Generation

Cotonti Siena 0.9.20 allows admins to conduct stored XSS attacks via a direct message DM...

Send message to blocked user

Description In this case if a userA block userB. UserB is still able to send private message to user A Proof of Concept 1.USerA block userB 2.UserB send direct request to message endpoint with userA''s userID Poc POST https://bookwyrm.social/post/direct Host: bookwyrm.social User-Agent: Mozilla/5...

Design/Logic Flaw

discourse-chat is a chat plugin for the Discourse application. Versions prior to 0.4 are vulnerable to an exposure of sensitive information, where an attacker who knows the message ID for a channel they do not have access to can view that message using the chat message lookup endpoint, primarily...