Vulnerabilities > Mattermost > Medium

DATE CVE VULNERABILITY TITLE RISK
2022-02-21 CVE-2022-0708 Information Exposure vulnerability in Mattermost
Mattermost 6.3.0 and earlier fails to protect email addresses of the creator of the team via one of the APIs, which allows authenticated team members to access this information resulting in sensitive & private information disclosure.
network
low complexity
mattermost CWE-200
6.5
2022-01-18 CVE-2021-37864 Incorrect Authorization vulnerability in Mattermost
Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.
network
low complexity
mattermost CWE-863
6.5
2022-01-18 CVE-2021-37865 Resource Exhaustion vulnerability in Mattermost
Mattermost 6.2 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.
network
low complexity
mattermost CWE-400
5.7
2022-01-18 CVE-2021-37867 Information Exposure vulnerability in Mattermost Boards 0.10.0
Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure.
network
low complexity
mattermost CWE-200
4.3
2021-12-17 CVE-2021-37862 Improper Check for Unusual or Exceptional Conditions vulnerability in Mattermost Server
Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.
network
low complexity
mattermost CWE-754
5.4
2021-12-17 CVE-2021-37863 Improper Input Validation vulnerability in Mattermost Server
Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.
network
low complexity
mattermost CWE-20
5.7
2021-09-22 CVE-2021-37860 Cross-site Scripting vulnerability in Mattermost
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
network
low complexity
mattermost CWE-79
6.1
2021-08-05 CVE-2021-37859 Cross-site Scripting vulnerability in Mattermost
Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.
network
low complexity
mattermost CWE-79
6.1
2020-06-19 CVE-2017-18921 Cross-site Scripting vulnerability in Mattermost Server
An issue was discovered in Mattermost Server before 3.6.0 and 3.5.2.
network
low complexity
mattermost CWE-79
6.1
2020-06-19 CVE-2017-18919 Improper Authentication vulnerability in Mattermost Server
An issue was discovered in Mattermost Server before 3.7.0 and 3.6.3.
network
low complexity
mattermost CWE-287
5.3