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CVE-2025-9642— 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是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE和EE 14.10版本至18.2.7之前版本、18.3版本至18.3.3之前版本和18.4版本至18.4.1之前版本存在跨站脚本漏洞，该漏洞源于可能注入恶意内容，可能导致账户接管。

CVSS 8.7 · High EPSS 0.54% · P43
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I. Basic Information for CVE-2025-9642

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 14.10 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that could allow an attacker to inject malicious content that may lead to account takeover.
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 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE和EE 14.10版本至18.2.7之前版本、18.3版本至18.3.3之前版本和18.4版本至18.4.1之前版本存在跨站脚本漏洞，该漏洞源于可能注入恶意内容，可能导致账户接管。
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 14.10 ~ 18.2.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-9642

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III. Intelligence Information for CVE-2025-9642

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Same Patch Batch · GitLab · 2025-09-26 · 9 CVEs total

CVE-2025-9958 7.7 HIGH Insertion of Sensitive Information Into Sent Data in GitLab
CVE-2025-10858 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-7691 6.5 MEDIUM Privilege Defined With Unsafe Actions in GitLab
CVE-2025-11042 4.3 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-10871 3.8 LOW Missing Authorization in GitLab
CVE-2025-5069 3.5 LOW Incorrect Ownership Assignment in GitLab
CVE-2025-10868 3.5 LOW Business Logic Errors in GitLab
CVE-2025-10867 3.5 LOW Allocation of Resources Without Limits or Throttling in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-9642

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