GitLab Community Edition/Enterprise Edition up to 16.8.4/16.9.2/16.10.0 Wiki Page cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in GitLab Community Edition and Enterprise Edition up to 16.8.4/16.9.2/16.10.0. This affects an unknown part of the component Wiki Page Handler. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2023-6371. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 16.8.4/16.9.2/16.10.0. It has been rated as problematic. This issue affects some unknown processing of the component Wiki Page Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

An issue has been discovered in GitLab CE/EE affecting all versions before 16.8.5, all versions starting from 16.9 before 16.9.3, all versions starting from 16.10 before 16.10.1. A wiki page with a crafted payload may lead to a Stored XSS, allowing attackers to perform arbitrary actions on behalf of victims.

The weakness was published by yvvdwf. The advisory is shared at gitlab.com. The identification of this vulnerability is CVE-2023-6371 since 11/28/2023. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 256684 (Linux Distros Unpatched Vulnerability : CVE-2023-6371), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 16.8.5, 16.9.3 or 16.10.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (256684). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 8.7
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 256684
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-6371

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 16.8.5/16.9.3/16.10.1

Timelineinfo

11/28/2023 🔍
03/28/2024 +121 days 🔍
03/28/2024 +0 days 🔍
08/27/2025 +517 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 43302
Researcher: yvvdwf
Status: Confirmed

CVE: CVE-2023-6371 (🔍)
GCVE (CVE): GCVE-0-2023-6371
GCVE (VulDB): GCVE-100-258425

Entryinfo

Created: 03/28/2024 08:48
Updated: 08/27/2025 20:41
Changes: 03/28/2024 08:48 (65), 05/06/2024 15:42 (1), 05/06/2024 15:49 (1), 12/12/2024 00:44 (13), 04/11/2025 23:08 (3), 08/27/2025 20:41 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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