Vulnerabilities > Mattermost > Mattermost Server
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-03-31 | CVE-2023-1777 | Exposure of Resource to Wrong Sphere vulnerability in Mattermost Server Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message. | 5.3 |
| 2023-03-15 | CVE-2023-1421 | Cross-site Scripting vulnerability in Mattermost Server A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter. | 6.1 |
| 2023-02-27 | CVE-2023-27265 | Exposure of Resource to Wrong Sphere vulnerability in Mattermost Server Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response. | 2.7 |
| 2023-02-27 | CVE-2023-27266 | Information Exposure vulnerability in Mattermost Server Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response. | 2.7 |
| 2022-09-23 | CVE-2022-3257 | Unrestricted Upload of File with Dangerous Type vulnerability in Mattermost Server Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service. | 6.5 |
| 2022-09-09 | CVE-2022-3147 | Allocation of Resources Without Limits or Throttling vulnerability in Mattermost Server Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service. | 6.5 |
| 2022-07-14 | CVE-2022-2401 | Information Exposure vulnerability in Mattermost Server Unrestricted information disclosure of all users in Mattermost version 6.7.0 and earlier allows team members to access some sensitive information by directly accessing the APIs. | 6.5 |
| 2022-07-12 | CVE-2022-2366 | Incorrect Default Permissions vulnerability in Mattermost Server Incorrect default configuration for trusted IP header in Mattermost version 6.7.0 and earlier allows attacker to bypass some of the rate limitations in place or use manipulated IPs for audit logging via manipulating the request headers. | 5.3 |
| 2022-06-02 | CVE-2022-1982 | Resource Exhaustion vulnerability in Mattermost Server Uncontrolled resource consumption in Mattermost version 6.6.0 and earlier allows an authenticated attacker to crash the server via a crafted SVG attachment on a post. | 6.5 |
| 2022-04-19 | CVE-2022-1384 | Missing Authorization vulnerability in Mattermost Server Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities. | 8.8 |