GitLab 14.10 < 18.2.7 / 18.3 < 18.3.3 / 18.4 < 18.4.1 (CVE-2025-9642)

high Nessus Plugin ID 265987

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:

- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab (CVE-2025-9642)

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 18.2.7, 18.3.3, 18.4.1 or later.

Plugin Details

Severity: High

ID: 265987

File Name: gitlab_cve-2025-9642.nasl

Version: 1.1

Type: combined

Agent: unix

Family: CGI abuses

Published: 9/26/2025

Updated: 9/26/2025

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

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-2025-9642

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: 9/26/2025

Vulnerability Publication Date: 9/26/2025

Reference Information

CVE: CVE-2025-9642

Detections

Analytics