Mattermost: >> Mattermost Server Security Vulnerabilities
A stack overflow bug in the document extractor in Mattermost Server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted Apple Pages document.
CVSS Score
4.3
EPSS Score
0.009
Published
2022-03-10
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.
CVSS Score
3.7
EPSS Score
0.007
Published
2021-12-17
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.
CVSS Score
3.5
EPSS Score
0.008
Published
2021-12-17
An issue was discovered in Mattermost Server before 2.1.0. It allows XSS via CSRF.
CVSS Score
6.1
EPSS Score
0.003
Published
2020-06-19
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when used as an OAuth 2.0 service provider, Session invalidation was mishandled.
CVSS Score
5.3
EPSS Score
0.008
Published
2020-06-19
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.
CVSS Score
8.1
EPSS Score
0.008
Published
2020-06-19
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. XSS could occur via a channel header.
CVSS Score
6.1
EPSS Score
0.007
Published
2020-06-19
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. A password-reset request was sometime sent to an attacker-provided e-mail address.
CVSS Score
9.8
EPSS Score
0.012
Published
2020-06-19
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. XSS can occur via a link on an error page.
CVSS Score
6.1
EPSS Score
0.007
Published
2020-06-19
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. An external link can occur on an error page even if it is not on an allowlist.
CVSS Score
5.3
EPSS Score
0.008
Published
2020-06-19