An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A reflected XSS was possible when creating specific PlantUML diagrams that allowed the attacker to perform arbitrary actions on behalf of victims.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.
An issue has been discovered in GitLab affecting all versions starting from 8.10 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. Under specific circumstances, a user importing a project 'from export' could access and read unrelated files via uploading a specially crafted file. This was due to a bug in `tar`, fixed in [`tar-1.35`](https://lists.gnu.org/archive/html/info-gnu/2023-07/msg00005.html).
An issue has been discovered in GitLab affecting all versions starting from 12.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to leak a user's email via an error message for groups that restrict membership by email domain.
An issue has been discovered in GitLab EE affecting all versions starting from 12.8 before 15.11.11, all versions starting from 16.0 before 16.0.7, all versions starting from 16.1 before 16.1.2. An attacker could change the name or path of a public top-level group in certain situations.
An information disclosure issue in Gitlab CE/EE affecting all versions from 13.6 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1, resulted in the Sidekiq log including webhook tokens when the log format was set to `default`.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 7.14 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows an attacker to inject HTML in an email address field.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. This allowed a developer to remove the CODEOWNERS rules and merge to a protected branch.