An issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that, under certain conditions, could have allowed a successful attacker to execute actions on behalf of users by injecting malicious content.

An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions.

GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.

GitLab Community and Enterprise Editions version 9.2 up to 10.4 are vulnerable to XSS because a lack of input validation in the milestones component leads to cross site scripting (specifically, data-milestone-id in the milestone dropdown feature). This is fixed in 10.6.3, 10.5.7, and 10.4.7.

An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.6 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab was vulnerable to HTML Injection through the Swagger UI feature.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.

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 affecting all versions starting from 15.9 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 for an attacker to trigger a stored XSS vulnerability via user interaction with a crafted URL in the WebIDE beta.

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances

An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.

An issue was discovered in GitLab Community and Enterprise Edition before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. It has XSS.

GitLab CE & EE 11.2 and later and before 11.5.0-rc12, 11.4.6, and 11.3.10 have Persistent XSS.

An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.

An issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. A specially crafted Kroki diagram could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is stored XSS on the merge request page via project import.

An issue was discovered in GitLab Community and Enterprise Edition 11.1.x before 11.1.5 and 11.2.x before 11.2.2. There is Persistent XSS in the Merge Request Changes View.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.7 to 16.8.6 all versions starting from 16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. Using the autocomplete for issues references feature a crafted payload may lead to a stored XSS, allowing attackers to perform arbitrary actions on behalf of victims.

A issue has been discovered in GitLab CE/EE affecting all versions from 15.3 prior to 15.7.8, version 15.8 prior to 15.8.4, and version 15.9 prior to 15.9.2 A cross-site scripting vulnerability was found in the title field of work items that allowed attackers to perform arbitrary actions on behalf of victims at client side.

An issue has been discovered in GitLab EE affecting all versions starting from 15.6 before 15.6.1. It was possible to create a malicious README page due to improper neutralisation of user supplied input.

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that, under specific circumstances, could have potentially allowed a successful attacker to trigger unintended content rendering leading to XSS.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. Due to the improper filtering of query parameters in the wiki changes page, an attacker can execute arbitrary JavaScript on the self-hosted instances running without strict CSP.

An issue has been discovered in GitLab affecting all versions starting from 12.8 before 15.8.5, all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. A specially crafted payload could lead to a reflected XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims on self-hosted instances running without strict CSP.

An issue has been discovered in the gitlab-web-ide-vscode-fork component distributed over CDN affecting all versions prior to 1.89.1-1.0.0-dev-20241118094343and used by all versions of GitLab CE/EE starting from 15.11 prior to 17.3 and which also temporarily affected versions 17.4, 17.5 and 17.6, where a XSS attack was possible when loading .ipynb files in the web IDE

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2. It was possible to exploit a vulnerability in setting the labels colour feature which could lead to a stored XSS that allowed attackers to perform arbitrary actions on behalf of victims at client side.

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed an authenticated user to perform cross-site scripting attacks when the instance is served through certain content delivery networks.

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.

An issue has been discovered in GitLab affecting all versions starting from 12.10 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not correctly handling malicious requests to the PyPi API endpoint allowing the attacker to cause uncontrolled resource consumption.

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions from 13.5 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2. It was possible to exploit a vulnerability in setting the Jira Connect integration which could lead to a reflected XSS that allowed attackers to perform arbitrary actions on behalf of victims.

A Stored Cross-Site Scripting vulnerability allowed the execution on Javascript payloads on the Metrics Dashboard in GitLab CE/EE 12.8 and later through 13.0.1

A Reflected Cross-Site Scripting vulnerability allowed the execution of arbitrary Javascript code on the Static Site Editor in GitLab CE/EE 12.10 and later through 13.0.1

Cross-site scripting (XSS) vulnerability in GitLab Enterprise Edition (EE) 6.6.0 before 6.6.2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

An issue in Incident Timelines has been discovered in GitLab CE/EE affecting all versions starting from 14.9 before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2.which allowed an authenticated attacker to inject arbitrary content. A victim interacting with this content could lead to arbitrary requests.

GitLab 9.3 through 12.8.1 allows XSS. A cross-site scripting vulnerability was found when viewing particular file types.

An issue has been discovered in GitLab CE/EE affecting all versions before 16.8.5, all versions starting from 16.9 before 16.9.3, all versions starting from 16.10 before 16.10.1. A wiki page with a crafted payload may lead to a Stored XSS, allowing attackers to perform arbitrary actions on behalf of victims.

GitLab 12.1 through 12.8.1 allows XSS. A cross-site scripting vulnerability was present in a particular view relating to the Grafana integration.

Cross-site scripting (XSS) vulnerability in GitLab 6.0 and other versions before 6.5.0 allows remote attackers to inject arbitrary web script or HTML via a crafted HTML file, as demonstrated by README.html.

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 issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. blog-viewer has stored XSS during repository browsing, if package.json exists. .

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is stored XSS on the issue details screen.

An issue was discovered in GitLab Community and Enterprise Edition before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. XSS can occur in the tooltip of the job inside the CI/CD pipeline.

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions before 15.0.5, 15.1 prior to 15.1.4, and 15.2 prior to 15.2.1. A stored XSS flaw in job error messages allows attackers to perform arbitrary actions on behalf of victims at client side.

A crafted tag in the Jupyter Notebook viewer in GitLab EE/CE affecting all versions before 15.1.6, 15.2 to 15.2.4, and 15.3 to 15.3.2 allows an attacker to issue arbitrary HTTP requests

Client-Side code injection through Feature Flag name in GitLab CE/EE starting with 11.9 allows a specially crafted feature flag name to PUT requests on behalf of other users via clicking on a link

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions starting from 15.2 before 15.2.5, all versions starting from 15.3 before 15.3.4, all versions starting from 15.4 before 15.4.1 It was possible to exploit a vulnerability in the external status checks feature which could lead to a stored XSS that allowed attackers to perform arbitrary actions on behalf of victims at client side.

An issue has been discovered in Gitlab EE/CE for AppSec affecting all versions from 13.5.0 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Certain error messages could allow Cross-Site Scripting attacks (XSS). for AppSec.

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.

A Cross Site Scripting (XSS) vulnerability in GitLab-EE affecting all versions from 16.6 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1 allows an attacker to bypass security controls and execute arbitrary scripts in a users browser under specific conditions.