Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

CVE-2025-12029

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Back to all
CVE

CVE-2025-12029

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI."

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

git://git@gitlab.com:gitlab-org/gitlab.git, https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12029.json, https://gitlab.com/gitlab-org/gitlab/-/issues/577975, https://hackerone.com/reports/3317485, https://nvd.nist.gov/vuln/detail/CVE-2025-12029

Severity

8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8
EPSS Probability
0.00121%
EPSS Percentile
0.31731%
Introduced Version
4dce6bc3728f63bc9086ff3088cda7527f6f0bec,37cc4da7158316bb9b204cef9b056f16fff1df32,5927b4ad8ecf8b257f14761954d6e25858a3dc33
Fix Available
39ae6bd44263cf79c3a87027501ddbd9431b21b5,61465ef836fe9b2e9ee409ab65b2599e58e7ad91,624034751b1e0fd88f685f9b2cc297fa86fc6ed7

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading