Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-6186

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
13/08/2025
Last modified:
15/08/2025

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 8.70 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
8.70
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 18.1.0 (including) 18.1.4 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 18.1.0 (including) 18.1.4 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 18.2.0 (including) 18.2.2 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 18.2.0 (including) 18.2.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools