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CVE-2025-6948— Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Quick assessment

Affected
GitLab GitLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Community Edition和GitLab Enterprise Edition 17.11版本至17.11.6之前版本、18.0版本至18.0.4之前版本和18.1版本至18.1.2之前版本

CVSS 8.7 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-6948

Vulnerability Information
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Vulnerability Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab Community Edition和GitLab Enterprise Edition 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Community Edition和GitLab Enterprise Edition 17.11版本至17.11.6之前版本、18.0版本至18.0.4之前版本和18.1版本至18.1.2之前版本
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 17.11 ~ 17.11.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-6948

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III. Intelligence Information for CVE-2025-6948

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Same Patch Batch · GitLab · 2025-07-10 · 4 CVEs total

CVE-2025-3396 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2025-6168 2.7 LOW Incorrect Authorization in GitLab
CVE-2025-4972 2.7 LOW Incorrect Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-79

V. Comments for CVE-2025-6948

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