GitLab Community Edition/Enterprise Edition up to 17.11.5/18.0.3/18.1.1 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GitLab Community Edition and Enterprise Edition up to 17.11.5/18.0.3/18.1.1. This vulnerability affects unknown code. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2025-6948. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 17.11.5/18.0.3/18.1.1 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

An issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that, under certain conditions, could have allowed a successful attacker to execute actions on behalf of users by injecting malicious content.

The weakness was disclosed by yvvdwf as 552616. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2025-6948 since 07/01/2025. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 241690 (GitLab 17.11 < 17.11.6 / 18.0 < 18.0.4 / 18.1 < 18.1.2 (CVE-2025-6948)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.11.6, 18.0.4 or 18.1.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (241690) and EUVD (EUVD-2025-20989). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 8.0
NVD Vector: 🔒

CNA Base Score: 8.7
CNA Vector (GitLab): 🔒

CVSSv2info

AVACAuCIA
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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: 241690
Nessus Name: GitLab 17.11 < 17.11.6 / 18.0 < 18.0.4 / 18.1 < 18.1.2 (CVE-2025-6948)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 17.11.6/18.0.4/18.1.2

Timelineinfo

07/01/2025 CVE reserved
07/10/2025 +9 days Advisory disclosed
07/10/2025 +0 days VulDB entry created
07/25/2025 +15 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 552616
Researcher: yvvdwf
Status: Confirmed

CVE: CVE-2025-6948 (🔒)
GCVE (CVE): GCVE-0-2025-6948
GCVE (VulDB): GCVE-100-315967
EUVD: 🔒

Entryinfo

Created: 07/10/2025 11:37
Updated: 07/25/2025 21:02
Changes: 07/10/2025 11:37 (66), 07/10/2025 15:39 (1), 07/11/2025 01:36 (2), 07/25/2025 21:02 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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