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CVE-2025-14560— 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 18.6.6之前版本的17.1.x版本、18.7.4之前版本的18.7.x版本和18.8.4之前版本的18.8.x版本存在跨站脚本漏洞，该漏洞源于向漏洞代码流中注入恶意内容，可能导致经过身份验证的用户代表其他用户执行未经授权的操作。

CVSS 7.3 · High EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-14560

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
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by injecting malicious content into vulnerability code flow.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/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 18.6.6之前版本的17.1.x版本、18.7.4之前版本的18.7.x版本和18.8.4之前版本的18.8.x版本存在跨站脚本漏洞，该漏洞源于向漏洞代码流中注入恶意内容，可能导致经过身份验证的用户代表其他用户执行未经授权的操作。
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 17.1 ~ 18.6.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-14560

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III. Intelligence Information for CVE-2025-14560

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Patches & Fixes for CVE-2025-14560 (1)

Same Patch Batch · GitLab · 2026-02-11 · 15 CVEs total

CVE-2025-7659 8.0 HIGH Origin Validation Error in GitLab
CVE-2025-8099 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-0958 7.5 HIGH Interpretation Conflict in GitLab
CVE-2026-0595 7.3 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-1387 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1456 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1458 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-12575 5.4 MEDIUM Server-Side Request Forgery (SSRF) in GitLab
CVE-2026-1094 4.6 MEDIUM Improper Validation of Unsafe Equivalence in Input in GitLab
CVE-2025-12073 4.3 MEDIUM Server-Side Request Forgery (SSRF) in GitLab
CVE-2026-1080 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2025-14592 3.7 LOW Missing Authorization in GitLab
CVE-2025-14594 3.5 LOW Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-1282 3.5 LOW Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-14560

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