PT-2025-30613 · Gitlab · Gitlab Ce/Ee

Published 2025-07-23 · Updated 2025-07-29 · CVE-2025-4439

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 15.10 through 18.0.4 GitLab CE/EE versions 18.1 through 18.1.2 GitLab CE/EE versions 18.2 through 18.2.0

Description An issue exists in GitLab CE/EE that could allow an authenticated user to perform cross-site scripting attacks when the instance is served through certain content delivery networks.

Recommendations Update GitLab CE/EE to version 18.0.5 or later. Update GitLab CE/EE to version 18.1.3 or later. Update GitLab CE/EE to version 18.2.1 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2025-09098

BIT-GITLAB-2025-4439

CVE-2025-4439

Affected Products

Gitlab Ce/Ee

References · 16

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/4xxx/CVE-2025-4439.json · Exploit
• 🔥 https://hackerone.com/reports/3120111 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-4439 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-4439 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-4439 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09098 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-4439 · Security Note
• https://ubuntu.com/security/CVE-2025-4439 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2025-4439 · Vendor Advisory
• https://twitter.com/CVEnew/status/1948094254368358731 · Twitter Post
• https://twitter.com/Hossted_OSS/status/1949732384993157559 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1948126773616517391 · Twitter Post
• https://about.gitlab.com/releases/2025/07/23/patch-release-gitlab-18-2-1-released · Note
• https://t.me/CVEtracker/28511 · Telegram Post
• https://gitlab.com/gitlab-org/gitlab/-/issues/541177 · Note