An issue was discovered in GitLab Community and Enterprise Edition 11.1.x before 11.1.2. A Denial of Service can occur because Markdown rendering times are slow.

GitLab Community and Enterprise Edition before 10.7.7, 10.8.x before 10.8.6, and 11.x before 11.0.4 allows Directory Traversal with write access and resultant remote code execution via the GitLab projects import component.

An issue was discovered in GitLab Community Edition and Enterprise Edition before 10.7.6, 10.8.x before 10.8.5, and 11.x before 11.0.1. The charts feature contained a persistent XSS issue due to a lack of output encoding.

An issue was discovered in GitLab Community Edition and Enterprise Edition before 10.7.6, 10.8.x before 10.8.5, and 11.x before 11.0.1. The wiki contains a persistent XSS issue due to a lack of output encoding affecting a specific markdown feature.

An issue was discovered in GitLab Community Edition and Enterprise Edition 10.7.x before 10.7.6. The usage of 'url_for' contained a XSS issue due to it allowing arbitrary protocols as a parameter.

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 10.5.8, 10.6.x before 10.6.5, and 10.7.x before 10.7.2. The Move Issue feature contained a persistent XSS vulnerability.

Gitlab Community Edition version 10.3 is vulnerable to an improper authorization issue in the deployment keys component resulting in unauthorized use of deployment keys by guest users.

Gitlab Community Edition version 10.3 is vulnerable to an improper authorization issue in the Oauth sign-in component resulting in unauthorized user login.

Gitlab Enterprise Edition version 10.1.0 is vulnerable to an insufficiently protected credential issue in the project service integration API endpoint resulting in an information disclosure of plaintext password.

Gitlab Community Edition version 10.2.4 is vulnerable to lack of input validation in the labels component resulting in persistent cross site scripting.

Gitlab Community Edition version 9.1 is vulnerable to lack of input validation in the IPython notebooks component resulting in persistent cross site scripting.

Gitlab Enterprise Edition version 10.3 is vulnerable to an authorization bypass issue in the GitLab Projects::BoardsController component resulting in an information disclosure on any board object.

GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an unverified password change issue in the PasswordsController component resulting in potential account takeover if a victim's session is compromised.

GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an authorization bypass issue in the Projects::MergeRequests::CreationsController component resulting in an attacker to see every project name and their respective namespace on a GitLab instance.

GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an authorization bypass issue in the GitLab import component resulting in an attacker being able to perform operations under a group in which they were previously unauthorized.

Gitlab Community Edition version 10.3 is vulnerable to a path traversal issue in the GitLab CI runner component resulting in remote code execution.

Gitlab Community Edition version 10.2.4 is vulnerable to lack of input validation in the CI job component resulting in persistent cross site scripting.

Gitlab Community Edition version 10.3 is vulnerable to a lack of input validation in the system_hook_push queue through web hook component resulting in remote code execution.

Gitlab Community Edition version 10.2.4 is vulnerable to a lack of input validation in the GitlabProjectsImportService resulting in remote code execution.

Gitlab Community and Enterprise Editions version 10.1, 10.2, and 10.2.4 are vulnerable to a SQL injection in the MilestoneFinder component resulting in disclosure of all data in a GitLab instance's database.