Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Filtered by product Mattermost Server
Total 199 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2017-18880 1 Mattermost 1 Mattermost Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the title_link field of a Slack attachment.
CVE-2017-18916 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. API endpoint access control does not honor an integration permission restriction.
CVE-2019-20871 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The Markdown library allows catastrophic backtracking.
CVE-2016-11073 1 Mattermost 1 Mattermost Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a Legal or Support setting.
CVE-2019-20873 1 Mattermost 1 Mattermost Server 2023-12-10 4.0 MEDIUM 6.5 MEDIUM
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.
CVE-2017-18872 1 Mattermost 1 Mattermost Server 2023-12-10 3.5 LOW 4.3 MEDIUM
An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
CVE-2016-11081 1 Mattermost 1 Mattermost Server 2023-12-10 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 2.2.0. It allows unintended access to information stored by a web browser.
CVE-2015-9548 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 1.2.0. It allows attackers to cause a denial of service (memory consumption) via a small compressed file that has a large size when uncompressed.
CVE-2019-20855 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.16.1, 5.15.2, 5.14.5, and 5.9.6. It allows attackers to obtain sensitive information (local files) during legacy attachment migration.
CVE-2017-18897 1 Mattermost 1 Mattermost Server 2023-12-10 5.8 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. It mishandles a deny action for a redirection.
CVE-2017-18906 1 Mattermost 1 Mattermost Server 2023-12-10 4.9 MEDIUM 8.1 HIGH
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.
CVE-2017-18881 1 Mattermost 1 Mattermost Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via a goto_location response to a slash command.
CVE-2017-18915 1 Mattermost 1 Mattermost Server 2023-12-10 7.5 HIGH 9.8 CRITICAL
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.
CVE-2017-18904 1 Mattermost 1 Mattermost Server 2023-12-10 4.3 MEDIUM 6.1 MEDIUM
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. It allows XSS via an uploaded file.
CVE-2017-18898 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 5.3 MEDIUM
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
CVE-2019-20870 1 Mattermost 1 Mattermost Server 2023-12-10 4.0 MEDIUM 4.3 MEDIUM
An issue was discovered in Mattermost Server before 5.10.0. An attacker can bypass the intended appearance of the Edited flag after changing a post's file ID.
CVE-2017-18883 1 Mattermost 1 Mattermost Server 2023-12-10 6.4 MEDIUM 9.1 CRITICAL
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.
CVE-2018-21258 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.1. It allows attackers to cause a denial of service via the invite_people slash command.
CVE-2019-20859 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.
CVE-2017-18871 1 Mattermost 1 Mattermost Server 2023-12-10 5.0 MEDIUM 7.5 HIGH
An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.