CVE-2025-2443

Name: CVE-2025-2443
Creator: NVD / NIST
Published: 2025-06-20T18:15:28.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2025-2443 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.32%

23.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 16.6.0, < 17.9.7
Gitlab	Gitlab	>= 17.10.0, < 17.10.5
Gitlab	Gitlab	17.11.0

References

https://gitlab.com/gitlab-org/gitlab/-/issues/525363Broken Link
https://hackerone.com/reports/3037340Permissions Required

Timeline

Published: Jun 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-2443?

How severe is CVE-2025-2443?

CVE-2025-2443 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2025-2443?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-2443?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST