GitLab 18.2 < 18.2.2 (CVE-2025-7739)

high Nessus Plugin ID 249239

Synopsis

The version of GitLab installed on the remote host is affected by a vulnerability.

Description

The version of GitLab installed on the remote host is affected by a vulnerability, as follows:

- An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions. (CVE-2025-7739)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to GitLab version 18.2.2 or later.

See Also

https://gitlab.com/gitlab-org/gitlab/-/issues/556111

https://hackerone.com/reports/3255849

http://www.nessus.org/u?9412043c

Plugin Details

Severity: High

ID: 249239

File Name: gitlab_cve-2025-7739.nasl

Version: 1.1

Type: combined

Agent: unix

Family: CGI abuses

Published: 8/14/2025

Updated: 8/14/2025

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2025-7739

CVSS v3

Risk Factor: High

Base Score: 8.7

Temporal Score: 7.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:gitlab:gitlab

Required KB Items: installed_sw/GitLab

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2025

Vulnerability Publication Date: 8/13/2025

Reference Information

CVE: CVE-2025-7739