An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper output encoding in the snipper viewer functionality lead to Cross-Site scripting attacks.

An issue has been discovered in GitLab EE that allows for cross-site-scripting attack and content security policy bypass in a user's browser under specific conditions, affecting all versions from 16.6 before 17.9.7, 17.10 before 17.10.5, and 17.11 before 17.11.1.

An XSS vulnerability exists in GitLab CE/EE affecting all versions from 13.3 prior to 17.6.5, 17.7 prior to 17.7.4 and 17.8 prior to 17.8.2 that allows an attacker to execute unauthorized actions via a change page.

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1. A proxy feature could potentially allow unintended content rendering leading to XSS under specific circumstances.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.7 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Improper rendering of certain file types leads to cross-site scripting.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.6.4, 17.7 before 17.7.3, and 17.8 before 17.8.1. Improper rendering of certain file types lead to cross-site scripting.

An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the Wiki pasges.

An issue has been discovered in GitLab affecting versions prior to 13.1.2, 13.0.8 and 12.10.13. GitLab was vulnerable to a stored XSS by using the PyPi files API.

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 17.3.6, 17.4 before 17.4.3, and 17.5 before 17.5.1. An attacker could inject HTML into the Global Search field on a diff view leading to XSS.

An issue has been discovered in GitLab affecting all versions starting from 10.8. Reflected XSS on Multiple Routes

In GitLab before 13.0.12, 13.1.6, and 13.2.3, a stored XSS vulnerability exists in the CI/CD Jobs page

An issue has been discovered in GitLab affecting versions from 12.6.2 prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the blob view feature.

An issue has been discovered in GitLab affecting versions from 12.10 to 12.10.12 that allowed for a stored XSS payload to be added as a group name.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a cross-site scripting vulnerability exists in the issues list via milestone title.

A Stored Cross-Site Scripting vulnerability in Jira integration in GitLab EE affecting all versions from 13.11 prior to 14.9.5, 14.10 prior to 14.10.4, and 15.0 prior to 15.0.1 allows an attacker to execute arbitrary JavaScript code in GitLab on a victim's behalf via specially crafted Jira Issues

An issue has been discovered in GitLab affecting versions prior to 12.10.13, 13.0.8, 13.1.2. A stored cross-site scripting vulnerability was discovered when editing references.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a cross-site scripting (XSS) vulnerability exists in the issue reference number tooltip.

Improper handling of user input in GitLab CE/EE versions 8.3 prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allowed an attacker to exploit a stored XSS by abusing multi-word milestone references in issue descriptions, comments, etc.

Improper neutralization of user input in GitLab CE/EE versions 14.4 before 14.7.7, all versions starting from 14.8 before 14.8.5, all versions starting from 14.9 before 14.9.2 allowed an attacker to exploit XSS by injecting HTML in notes.

An issue has been discovered in GitLab affecting all versions starting from 15.0 before 15.0.1. Missing validation of input used in quick actions allowed an attacker to exploit XSS by injecting HTML in contact details.

A stored Reflected Cross-Site Scripting vulnerability in the Jira integration in GitLab version 13.0 up to 14.3.1 allowed an attacker to execute arbitrary javascript code.

Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.

A stored Cross-Site Scripting vulnerability in the GitLab Flavored Markdown in GitLab CE/EE version 8.4 and above allowed an attacker to execute arbitrary JavaScript code on the victim's behalf.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

An issue has been discovered in GitLab affecting all versions starting with 13.3. GitLab was vulnerable to a stored XSS by using the design feature in issues.

An issue has been discovered in GitLab affecting all versions starting with 11.8. GitLab was vulnerable to a stored XSS in the epics page, which could be exploited with user interactions.

Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.

An issue has been discovered in GitLab affecting all versions starting with 13.10. GitLab was vulnerable to a stored XSS in blob viewer of notebooks.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. A payload may lead to a Stored XSS while using the diff viewer, allowing attackers to perform arbitrary actions on behalf of victims.

Server side request forgery protections in GitLab CE/EE versions between 8.4 and 14.4.4, between 14.5.0 and 14.5.2, and between 14.6.0 and 14.6.1 would fail to protect against attacks sending requests to localhost on port 80 or 443 if GitLab was configured to run on a port other than 80 or 443

Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances

HTML injection was possible via the full name field before versions 13.11.6, 13.12.6, and 14.0.2 in GitLab CE

An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has a Race Condition which could allow users to approve a merge request multiple times and potentially reach the approval count required to merge.

An issue has been discovered in GitLab CE/EE affecting all versions before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under certain conditions, GitLab REST API may allow unprivileged users to add other users to groups even if that is not possible to do through the Web UI.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.1 prior to 17.4.6, starting from 17.5 prior to 17.5.4, and starting from 17.6 prior to 17.6.2, injection of NEL headers in k8s proxy response could lead to session data exfiltration.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

An issue has been discovered in GitLab EE affecting all versions starting from 12.2 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1. In GitLab, if a group enables the setting to restrict access to users belonging to specific domains, that allow-list may be bypassed if a Maintainer uses the 'Invite a group' feature to invite a group that has members that don't comply with domain allow-list.

A business logic error in Project Import in GitLab CE/EE versions 14.9 prior to 14.9.2, 14.8 prior to 14.8.5, and 14.0 prior to 14.7.7 under certain conditions caused imported projects to show an incorrect user in the 'Access Granted' column in the project membership pages

A vulnerability was discovered in GitLab versions prior to 13.1. Under certain conditions the restriction for Github project import could be bypassed.

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.11 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under specific condition an unauthorised project member was allowed to delete a protected branches due to a business logic error.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7. GitLab Dependency Proxy, under certain circumstances, can impersonate a user resulting in possibly incorrect access handling.

GitLab before 8.14.9, 8.15.x before 8.15.6, and 8.16.x before 8.16.5 has XSS via a SCRIPT element in an issue attachment or avatar that is an SVG document.

A Stored Cross-Site Scripting vulnerability allowed the execution of arbitrary Javascript code in the blobs API in all previous GitLab CE/EE versions through 13.0.1

GitLab through 12.7.2 allows XSS.

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 prior 17.0.6, starting from 17.1 prior to 17.1.4, and starting from 17.2 prior to 17.2.2. When viewing an XML file in a repository in raw mode, it can be made to render as HTML if viewed under specific circumstances.

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 16.10.7, all versions starting from 16.11 before 16.111.4, all versions starting from 17.0 before 17.0.2. When viewing an XML file in a repository in raw mode, it can be made to render as HTML if viewed under specific circumstances.

A XSS condition exists within GitLab in versions 15.11 before 16.10.6, 16.11 before 16.11.3, and 17.0 before 17.0.1. By leveraging this condition, an attacker can craft a malicious page to exfiltrate sensitive user information.

An issue was discovered in GitLab Community and Enterprise Edition 10.5 through 12.4 in link validation for RDoc wiki pages feature. It has XSS.