---
title: "CVE-2025-2255\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2025-2255?format=md
keywords: index, follow
---

# CVE-2025-2255

Publication date 27 March 2025

Last updated 14 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.7 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2025-2255?format=md#impact-score)

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## Description

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.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2025-2255?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gitlab | 24.10 oracular | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 16.04 LTS xenial | Ignored |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

GitLab isn't maintainable as a distro package, and was removed
from Ubuntu because of this. We will not be fixing security
issues in the gitlab package in Xenial.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.7 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | Required |
  | Scope | Changed |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.7 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-2255)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-2255)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-2255)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-2255)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-2255>
* <https://gitlab.com/gitlab-org/gitlab/-/issues/524635>
* <https://hackerone.com/reports/2994150>